7
Research Services Each service is followed by an alphabetical list of suppliers. Listings of this section begin on page 330
7 ACTIVATION ANALYSIS Aerotest Operations General Electric Co. General Electric Co., Irradiation Processing Operation Gulf Radiation Technology Industrial Reactor Labs., Inc. Interex Corp. International Testing Labs., Inc. Kaman Sciences Corp. MCB Manufacturing Chemists Nuclear Diodes, Inc. Teledyne Isotopes (Calif.) Trapelo/West Union Carbide Corp., Sterling Forest Research Center
ANALYTICAL
7
Advanced Metals Research Corp. Aerotest Operations Alpha Metals, Inc. American Instrument Co. Anachemia Chemicals, Inc. Analabs, Inc. Analytical Development Corp. Apache Chemicals, Inc. Applied Science Labs., Inc. ArRo Labs., Inc. Avco Corp. Beckman Instruments, Inc. Betz Laboratories, Inc. Bowser-Morner Testing Labs ; , Inc. Brandt Associates, Inc. Calbiochem R. P. Cargille Labs., Inc. Chicago Spectro Service Lab., Inc. Clark Microanalytical Lab. Judith H. Clausen, Ph.D., Consulting Chemist Coors Porcelain Co. Coors Spectro-Chemical Lab. Core Laboratories, Inc. Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Electronic Associates, Inc. Endocrine Laboratories of Madison, Inc. Extranuclear Labs., Inc. F& J Scientific Ernest F. Fullam, Inc. Galbraith Labs., Inc. GCA Technology Div. General Electric Co., Irradiation Processing Operation Gollob Analytical Service Greenwood Laboratories, Inc. Gulf Radiation Technology Harris Labs., Inc. R. J. Harvey Instrument Corp. The Heusser Instrument Co. James Hinton ICN Chemical & Radioisotope Div. Interex Corp. International Hydronics Corp. International Testing Labs., Inc. Jarrell-Ash Div. Kaman Sciences Corp. Kendall Infrared Laboratories Lachat Chemicals, Inc. Ledoux & Co. Arthur D. Little, Inc. The London Co. Materials Analysis Co. Materials Research Corp. Matheson Gas Products Matthey Bishop, Inc. MCB Manufacturing Chemists Walter C. McCrone Associates, Inc. Merck Chemical Micro-Anaiysis, Inc. Micromeritics Instrument Corp. Midwest Research Institute Mine Safety Appliances Co. Morgan-Schaffer Corp. Nanogens National Spectrographic Laboratories, Inc. New England Nuclear Nuclear Materials & Equipment Corp. Oregon Metallurgical Corp.
330 LG AUGUST 1972
Research Services Orenda, Ltd. Particle Data Laboratories, Ltd. PCR, Inc. Penniman & Browne, Inc. Perco Supplies Perkin-ElmerCorp. Petroleum Analytical Research Corp. Phase Separations Ltd. Precision Gas Products, Inc. Princeton Organics, Inc. Rankin Reagent Co. Reliable Chemical Co. Rlnehart Labs., Inc. Rockland Instrument Corp. Sadtler Research Laboratories, Inc. Scientific Gas Products Inc. Scott Research Laboratories, inc. Shankman Laboratories Shllstone Testing Lab., Inc. Simon Research Laboratory Sloan Research Industries Div. A, O. Smith Corp. Somar Labs., Inc. Spectran Laboratories, Inc. Stewart Laboratories, Inc. Structure Probe, Inc. Supelco, Inc. Technic, Inc. Teledyne Isotopes (N.J.) Teledyne Isotopes (Calif.) Tern-Press Research Div. Thiokol Chemical Corp. Trapelo/West Union Carbide Corp., Sterling Forest Research Center United States Testing Co., Inc. Varian Aerograph Varian Vacuum Div. Vulcan Laboratories, Inc. Wahl-Henius Institute, Inc. WARF Institute, Inc. WATCON, Inc. Waters Associates Inc. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div. Worthington Biochemical Corp.
BACTERIMETRIC ANALYSIS Harris Labs., Inc. International Hydronics Corp. Ionics, Inc. Nuclear Medical Systems, Inc. Shankman Laboratories
BOOK PUBLISHERS, technical and scientific Academic Press, Inc. Acropolis Books Addison-Wesley Publishing Co., Inc. Air Pollution Control Association Akademiai Kiado Aldrich Chemical Co., Inc. Allured Publishing Corp. Allyn & Bacon, Inc. Aluminum Association American Academy of Arts & Sciences American Association for the Advancement of Science American Chemical Society American Elsevier Publishing Co,. Inc. American Heritage Press American Institute of Chemical EngineersAmerican Petroleum Institute American Pharmaceutical Association American Society of Agronomy American Society of Mechanical Engineers American Water Works Association Ann Arbor-Humphrey Science Publishers Inc. Annual Reviews, Inc. Appleton-Century-Crofts Archon Books Association of Official Analytical ChemistsAulis Verlag Deubner & Co. The AVI Publishing Co., Inc. Ballatine Books, Inc. Bantam Books, Inc.
Barnes & Noble, Inc. Basic Books, Inc. Bek Technical Publications, Inc, W. A. Benjamin, Inc. Benwill Publishing Corp. Black, Sivalls & Bryson, Inc. Blaisdell Publishing Co. Bogden &Quigley, Inc. Botanicals George Braziller, Inc. British Information Service William C. Brown Co. Burgess Publishing Co. Business Books, Ltd. Cahners Publishing Co., Inc. Callaghan & Co. Camag, Inc. Cambridge University Press Carnegie Press Publishers R. H. Chandler, Ltd Chapman & Hall, Ltd. Chelsea Publishing Co. Chemical Education Publishing Co. Chemical Institute of Canada Chemical Publishing Co., Inc, The Chemical Society Chemical Specialties Manufacturers Association The Chemurgic Council Chilton Books J. & A. Churchill, Ltd. Clearinghouse For Federal Scientific & Technical Information College Science Publishers Collins Publishers Cornell University Press Coward, McCann & Geoghegan, Inc. Cowles Book Co., Inc. Thomas Y. Crowel! Co. Crowell, Collier, & Macmillan, Inc. Crown Publishers, Inc. Daniel Davey & Co. F. A. Davis Co. Marcel Dekker, Inc. Dial Press Dickenson Publishing Co., Inc. Diffusion Information Center Directories Publishing Co. Division of Chemical Marketing & Economics Division of Rubber Chemistry Dodd, Mead and Co. Doubleday &Co., Inc. Dover Publications, Inc. Dunod Eastman Kodak Co. Ecology Center Confederation Elsevier Publishing Co., Ltd. Environmental Control Administration Environmental Science Service Div. Exposition Press, Inc. Four Winds Press Robert A. Fox Franklin Publishing Co., Inc. W. H. Freeman & Co. Freeman, Cooper & Co. Funk & Wagnalls J.A.M. Gaboury, Publisher Georg Thieme Verlag George Washington University Geron-X, Inc. Ginn & Co. Glencoe Press Gordon & Breach, Inc. Grossman Publishers Gulf Publishing Co. Hafner Publishing Co., Inc. Harcourt, Brace, Jovanovich, Inc. Harper & Row Publishers, Inc. Harvard University Press D. C. Heath & Co. Hermann Heyden&Sons, Ltd. Holden-Day, Inc. Holt, Rinehart and Winston, Inc. Houghton Mifflin Co. IFI/Plenum Data Corp. Indiana University Press Industrial Hygiene Foundation Industrial Press, Inc. Information Resources Press The Institute Libraries I nstitute of Paper Chemistry Institute of Scrap Iron & Steel, Inc. Institution of Chemical Engineers
Institution of the Rubber Industry Instrument Society of America International Scholarly Book Services, Inc. International Textbook Co. ITT Research Institute Johns Hopkins Press S. Karger AG M. W. KehoggCo. The Lab Apparatus Co. E. Lint Little, Brown and Co. Mack Publishing Co. The Macmillan Co. MacNair-Dorland Co. Masson et Cie Maxwell Reprint Co. McGraw-Hill Book Co., Inc. Charles E. Merrill Publishing Co. Julian Messner Methuen and Co., Ltd. The MIT Press Morgan-Grampian Ltd. C. V, Mosby Nash Publishing National Academy of Sciences National Biomedical Research FoundatlonNational Book Centre National Education Association National Geographic Society Thomas Nelson & Sons, Ltd. New York Academy of Sciences North Carolina State University North Holland Publishing Co. W. W. N o r t o n * Co., Inc. Noyes Data Corp. Oakland St. Science Press Ocean Engineering Information Service Oligodynamics Press Oliver& Boyd, Ltd. Optosonic Press Oriel Press, Ltd. Oxford University Press Pegasus The Pennsylvania State University Press Pergamon Press, Inc. Pergamon Press, Ltd. Pharmaceutical Manufacturers Association Philosophical Library, Inc. Physical Society of Japan Pitman Publishing Corp. Plenum Publishing Corp. Pocket Books Praeger Publishers, Inc. Prentice-Hall, Inc. Preston Technical Abstracts Co. Primary Sources Purdue University G. P. Putnam's Sons Quadrangle Books, Inc. Rand McNally and Co. Random House, Inc. Raven Press Raytheon Education Co. Rittenhouse Book Store Rodale Books, Inc. The Ronald Press Co. Sadtler Research Laboratories, Inc. Sage Hill Publishers, Inc. St. Martins Press, Inc. W. B. Saunders Co. Scarsdale Press Charles Scribner's Sons Simon & Schuster, Inc. Society of Chemical Industry Society of the Plastics Industry Soil Science Society of America, Inc. Springer-Verlag New York, Inc. Stanford Research Institute Stanford University Press Stein & Day Publisher Taylor and Francis, Ltd. Technomic Publishing Co., Inc. Charles C. Thomas, Publisher Charles E.TuttleCo. UNIDO Unipub, Inc. U.S. Government Printing Office University of Alabama Press University of Arizona Press University of California Press University of Chicago Press University of Illinois Press University of Indiana Press
LABORATORY GUIDE
Consulting Electrochemistry, polarography University of London Athone Press University of Maryland University of Minnesota Press University of Missouri Press University of New Mexico Press University of Notre Dame Press University of Pennsylvania Press University of Rhode Island University of Texas Press University of Washington Press University of Wisconsin Press University Press of Kentucky Vanderbilt University Press Van Nostrand-Reinhold Co. Vantage Press, Inc. Verlag Chemie, GmbH The Viking Press, Inc. Wadsworth Publishing Co., Inc. Walker & Co. Washington Square Press, Inc. Water Information Center Robert A. Welch Foundation Weybright & Talley, Inc. John Wiley & Sons, Inc. Wiley-lnterscience The Williams & Wilkins Co. Willard-Grant Press, Inc. Wolters-Noordhoff Publishing Co. Worth Publishers, Inc. Yale University Press
CONSULTING Aerotest Operations Alpha Metals, Inc. Analabs, Inc. Analytical Development Corp. Anderson Development Co. Apache Chemicals, Inc. Applied Plastics Co., Inc. Applied Science Labs., Inc. ArRo Labs., Inc. Atomic Energy of Canada Ltd. Barnebey-Cheney Co. Betz Laboratories, Inc. Bjorksten Research Labs., Inc. Bowser-Morner Testing Labs., Inc. Brandt Associates, Inc. Chemical Equipment Corp. Chemical Samples Co. Judith H. Clausen, Ph.D., Consulting Chemist Coast Engineering Laboratory Columbia Organic Chemicals Co., Inc. Core Laboratories, Inc. Cottrell Environmental Systems Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Dynatech R/DCo. Endocrine Laboratories of Madison, Inc. Engineered Materials Environeering, Inc. Extranuclear Labs., Inc. F & J Scientific Ernest F. Fullam, Inc. Gam Rad, Inc. Gollob Analytical Service Greenwood Laboratories, Inc. Harris Labs., Inc. R. J. Harvey Instrument Corp. Holbert Electron Microscopy Laboratory Humphreys Corp. International Hydronics Corp. International Testing Labs., Inc. Ionics, Inc. Johnson-March Corp. Kendall Infrared Laboratories Koslow Scientific Co. Ledoux & Co. Arthur D. Little, Inc. Marshallton Research Labs., Inc. MaurukasCo., Inc. MCB Manufacturing Chemists Walter C. McCrone Associates, Inc. Mechanical Technology, Inc. M/K Systems, Inc. Monitor Labs., Inc. Morgan-Schaffer Corp. Nuclear Materials & Equipment Corp. Nuclear Medical Systems, Inc. Olson Laboratories, Inc. Particle Data Laboratories, Ltd. Petroleum Analytical Research Corp. Plastics Consulting Associates Polysciences, Inc. Power Applications, Inc. Precision Sampling Corp. Princeton Aqua Science Princeton Organics, Inc. Process & Instruments Corp. Radiation Facilities, Inc. Rankin Reagent Co. Redlake Corp. Rinehart Labs., Inc. Rocky Mountain Research, Inc. Rosmarin & Gilman Inc. Rudolph Instruments Engineering Co., Inc. Rutherford Research Products Co.
LABORATORY
GUIDE
Saber Labs., Inc. Sadtler Research Laboratories, Inc. Schwarz/Mann Scientific Leasing Inc. Scott Research Laboratories, Inc. The Separations Group Shankman Laboratories Sigmatron, Inc. Simon Research Laboratory Sloan Research Industries Div. A. O. Smith Corp. Somar Labs., Inc. Specialty Organics, Inc. Spectran Laboratories, Inc. Spectrogram Corp. Stewart Laboratories, Inc. Structure Probe, Inc. Supelco, Inc. Technic, Inc. Technology Transfer Associates, Inc. Teledyne Isotopes (Calif.) Terra-Marine Bioresearch Thiokol Chemical Corp. Trapelo/West United States Testing Co., Inc. Vacumetrics, Inc. WARF Institute, Inc. Waters Associates Inc. WeatherMeasure Corp. Westinghouse Electric Corp., Electronic Tube Div. Zeebac Inc.
CONTRACT INSTRUMENTATION Analytical Instrument Development, Inc. Antek Instruments, Inc. Aquatronics, Inc. Avco Corp. Beckman Instruments, Inc. Core Laboratories, Inc. Data Graphics Corp. DEVCO Engineering, Inc. Extranuclear Labs., Inc. Gam Rad, Inc. R. J. Harvey Instrument Corp. Hobbs Scientific, Inc. Ionics, Inc. Koslow Scientific Co. Leeds & Northrup Co. Arthur D. Little, Inc. Lockwood and McLorie Inc. Marietta Apparatus Co. Maurukas Co., Inc. Mechanical Technology, Inc. Modern Controls, Inc. Monitor Labs., Inc. Nametre Co. Particle Data Laboratories, Ltd. Precision Sampling Corp. Process & Instruments Corp. Quantachrome Corp. Redlake Corp. Rudolph Instruments Engineering Co., Inc. Rutherford Research Products Co. Sadtler Research Laboratories, Inc. Scientific Gas Products Inc. Scott Research Laboratories, Inc. Sloan Research Industries Div. Tivian Laboratories, Inc. United States Testing Co., Inc. Vacumetrics, Inc. Valley Forge Instrument Co., Inc. (Pa.) WeatherMeasure Corp. Wilks Scientific Corp. Yellow Springs Instrument Co., Inc. Zeebac Inc.
CRYSTAL GROWING Apache Chemicals, Inc. The Harshaw Chemical Co. Heliotek James Hinton Imanco-Metals Research Arthur D. Little, Inc. Nuclear Elements Corp. Optovac, Inc. Packard Instrument Co., Inc. Princeton Organics, Inc. Semi-Elements, Inc. Technics, Inc. Terra-Marine Bioresearch VAR-LAC-OID Chemical Co.
CUSTOM DATA ACQUISTION, recording systems INAX Instruments Ltd. Leeds & Northrup Co. Monitor Labs., Inc. Vacumetrics, Inc.
CUSTOM SCINTILLATION SERVICES AND PURIFICATION Anderson Physics Labs., Inc. City Chemical Corp. The Harshaw Chemical Co. James Hinton ICN Chemical & Radioisotope Div. Isolab, Inc. New England Nuclear Nuclear Equipment Chemical Corp. Polysciences, Inc. Reliable Chemical Co. Teledyne Isotopes (N.J.)
CUSTOM SYNTHESIS Aldrich Chemical Co., Inc. The Ames Laboratories, Inc. Analabs, Inc. Anderson Development Co. Apache Chemicals, Inc. Applied Science Labs., Inc. Arapahoe Chemicals J. T. Baker Chemical Co. Beckman Instruments, Inc. Biochemical & Nuclear Corp. Bjorksten Research Labs., Inc. Bodman Chemicals Chemical Samples Co. Columbia Organic Chemicals Co., Inc. Corco Chemical Corp. DeBell & Richardson, Inc. Diaprep, Inc. Eastern Chemical Eastman Kodak Co., Eastman Organic Chemicals Farchan Research Labs. Fine Organics, Inc. Fox Chemical Co. Freeman Industries, Inc. Frinton Labs. General Electric Co. M. W. Hardy & Co., Inc. Hughes Aircraft Co. The Humphrey Chemical Co. Hummel Chemical Co., Inc. ICN Chemical & Radioisotope Div. lonac Chemical Co. Kings Laboratories Lachat Chemicals, Inc. LaMont Laboratories Arthur D. Little, Inc. Marshallton Research Labs., Inc. MCB Manufacturing Chemists Merck Sharp & Dohme Canada Ltd. Midwest Research Institute Miles Labs, Inc., Research Div. (III.) Nease Chemical Co., Inc. Nuclear Medical Systems, Inc. Nutritional Biochemicals Orgmet, Inc. The Ott Chemical Co. Ozark-Mahoning Co. PCR, Inc. Pfaltz& Bauer, Inc. Pierce Chemical Co. Polysciences, Inc. Pressure Chemical Co. Princeton Organics, Inc. Regis Chemical Co. Reliable Chemical Co. Research Organic/ Inorganic Chemical Corp. RHO Chemical Co. Rocky Mountain Research, Inc. Saber Labs., Inc. Sadtler Research Laboratories, Inc. Schwarz/Mann The Selney Co., Inc. Specialty Organics, Inc. Story Chemical Corp. Strem Chemicals, Inc. Terra-Marine Bioresearch Thiokol Chemical Corp. Tivian Laboratories, Inc. VAR-LAC-OID Chemical Co. Ventron Corp., Alfa Products WARF Institute, Inc. Wateree Chemical Co., Inc. Willow Brook Laboratories, Inc.
CUSTOM SYNTHESIS (OF RADIOACTIVE COMPOUNDS) Amersham/Searle Corp. Biochemical & Nuclear Corp. ICN Chemical & Radioisotope Div. Isolab, Inc. Mallinckrodt/Nuclear New England Nuclear Nuclear Medical Systems, Inc. Pressure Chemical Co. Rocky Mountain Research, Inc.
7
Schwarz/Mann Spectrum Medical Industries, Inc.
DEVELOPMENT OF GLASS Corning Glass Works (N.Y.) DeBell & Richardson, Inc. Engineered Materials Hi-Temp Glass Products, Inc. Arthur D. Little, Inc. Tivian Laboratories, Inc.
EDUCATIONAL COURSES Aerotest Operations Brandt Associates, Inc. Judith H. Clausen, Ph.D,, Consulting Chemist Environeering, Inc. Helena Laboratories Industrial Reactor Labs., Inc. Leeds & Northrup Co. The London Co. Lyne Labs, Inc. Maurukas Co., Inc. Walter C. McCrone Associates, Inc. Mechanical Technology, Inc. Millipore Corp. M/K Systems, Inc. Morgan-Schaffer Corp. Ohaus Scale Corp. Particle Data Laboratories, Ltd. Plastics Consulting Associates Power Applications, Inc. Rutherford Research Products Co. Sadtler Research Laboratories, Inc. Trapelo/West
ELECTROCHEMISTRY chronocoulometry Ionics, Inc.
chronopotentiometry
conductivity Beckman Instruments, Inc. Judith H. Clausen, Ph.D., Consulting Chemist Harris Labs., Inc. Ionics, Inc. Arthur D. Little, Inc. National Spectrographs Laboratories, Inc. Tivian Laboratories, Inc.
coulometry Antek Instruments, Inc. Judith H. Clausen, Ph.D., Consulting Chemist DOHRMANN Div. Envirotech Corp. Harris Labs., Inc. Ionics, Inc. Koslow Scientific Co. Arthur D. Little, Inc. National Spectrographic Laboratories, Inc. Quantachrome Corp.
electrode kinetics and mechanisms Beckman Instruments, Inc. Judith H. Clausen, Ph.D., Consulting Chemist Heliotek Ionics, Inc. Arthur D. Little, Inc.
polarography Beckman Instruments, Inc. Judith H. Clausen, Ph.D., Consulting Chemist Harris Labs., Inc. Ionics, Inc. Arthur D. Little, Inc. Thiokol Chemical Corp. WARF Institute. Inc.
AUGUST 1972 331 LG
7
7
Electrochemistry, potentiometry Identification of Unknowns and Contaminants
potentiometry Beckman Instruments, Inc. Judith H. Clausen, Ph.D., Consulting Chemist Corning Glass Works (Mass.) Harris Labs., Inc. Heliotek Ionics, Inc. Arthur D. Little, Inc. Petroleum Analytical Research Corp. Thiokol Chemical Corp. Tivian Laboratories, Inc.
voltammetry Judith H. Clausen, Ph.D., Consulting Chemist Harris Labs., Inc. Heliotek Ionics, Inc. Arthur D. Little, Inc.
ELECTRON SPECTROSCOPY FOR CHEMICAL ANALYSIS Beckman Instruments, Inc. MCB Manufacturing Chemists Walter C. McCrone Associates, Inc. Physical Electronics Industries, Inc. Technic, Inc. Trapelo/West United States Testing Co., Inc.
ELEMENTAL ANALYSIS inorganics
7
Advanced Metals Research Corp. Aerotest Operations Alpha Metals, Inc. Apache Chemicals, Inc. ArRo Labs., Inc. Avco Corp. Bowser-Morner Testing Labs., Inc. Chicago Spectro Service Lab., Inc. Coors Porcelain Co. Coors Spectro-Chemical Lab. Corning Glass Works (Mass.) Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory DOHRMANN Div. Envirotech Corp. Extranuclear Labs., Inc. F & J Scientific Galbraith Labs., Inc. Gollob Analytical Service Gulf Radiation Technology Harris Labs., Inc. INAX Instruments Ltd. InterexCorp. International Hydronics Corp. International Testing Labs., Inc. Ledoux & Co. Arthur D. Little, Inc. MCB Manufacturing Chemists Monsanto Co. National Spectrographic Laboratories, Inc. Nuclear Diodes, Inc. Orenda, Ltd. PCR, Inc. Petroleum Analytical Research Corp. Physical Electronics Industries, Inc. Reliable Chemical Co. Research Organic/Inorganic Chemical Corp. Resource Control, Inc. Rinehart Labs., Inc. Sadtler Research Laboratories, Inc. Shankman Laboratories Sloan Research Industries Div. Somar Labs., Inc. Stewart Laboratories, Inc. Structure Probe, Inc. Thiokol Chemical Corp. Tivian Laboratories, Inc. Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
organics Aerotest Operations Alpha Metals, Inc. Analabs, Inc. Apache Chemicals, Inc. Bowser-Morner Testing Labs., Inc. Chemical Data Systems, Inc. Clark Microanalytical Lab.
332 LG AUGUST 1972
Crobaugh Labs. Detroit Testing Laboratory DOHRMANN Div. Envirotech Corp. Carlo ErbaS.p.A. Extranuclear Labs., Inc. Galbraith Labs., Inc. Gollob Analytical Service Harris Labs., Inc. INAX Instruments Ltd. International Testing Labs., Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists Micro-Analysis, Inc. Monsanto Co. National Spectrographic Laboratories, Inc. PCR, Inc. Petroleum Analytical Research Corp. Reliable Chemical Co. Research Organic/Inorganic Chemical Corp. Rinehart Labs., Inc. Sadtler Research Laboratories, Inc. Sanda, Inc. Structure Probe, Inc. Thiokol Chemical Corp. Trapelo/West United States Testing Co., Inc.
organometallics Aerotest Operations Alpha Metals, Inc. Bowser-Morner Testing Labs., Inc. Clark Microanalytical Lab. Crobaugh Labs. DeBell & Richardson, Inc. Extranuclear Labs., Inc. Galbraith Labs., Inc. Gulf Radiation Technology INAX Instruments Ltd. International Testing Labs., Inc. MCB Manufacturing Chemists Micro-Analysis, Inc. National Spectrographic Laboratories, Inc. Nuclear Diodes, Inc. PCR, Inc. Reliable Chemical Co. Research Organic/Inorganic Chemical Corp. Sadtler Research Laboratories, Inc. Sanda, Inc. Stewart Laboratories, Inc. Thiokol Chemical Corp. United States Testing Co., Inc.
ENVIRONMENTAL RESOURCES MANAGEMENT Avco Corp. Barnebey-Cheney Co. Beckman Instruments, Inc. Betz Laboratories, Inc. Bowser-Morner Testing Labs., Inc. Core Laboratories, Inc. Cottrell Environmental Systems Harris Labs., Inc. Industrial Acoustics Co., Inc. International Hydronics Corp. Ionics, Inc. Johnson-March Corp. Arthur D. Little, Inc. Walter C. McCrone Associates, Inc. Midwest Research Institute Mine Safety Appliances Co. Monsanto Co. MSA Research Corp. Neptune MicroFloc, Inc. Particle Data Laboratories, Ltd. Princeton Aqua Science Resource Control, Inc. Royco Instruments, Inc. Scott Research Laboratories, Inc. Simon Research Laboratory Thermo-Systems, Inc. Trapelo/West WeatherMeasure Corp.
EQUIPMENT, leasing and renting Atomic Energy of Canada Ltd. Barnebey-Cheney Co. Bartlett-Snow Beckman Instruments, Inc. Core Laboratories, Inc. Engineered Materials Kaman Sciences Corp. Laboratory Instrument Exchange, Inc. Pulvair Corp. Redlake Corp. Scientific Leasing Inc. Vacumetrics, Inc. WeatherMeasure Corp.
EXPERIMENTAL MELTING Crobaugh Labs. Engineered Materials Glidden-Durkee VAR-LAC-OID Chemical Co.
GAS ANALYSIS Barnebey-Cheney Co. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Chemical Data Systems, Inc. Core Laboratories, Inc. Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory DEVCO Engineering, Inc. Electronic Associates, Inc. Carlo Erba S.p.A. Extranuclear Labs., Inc. F & J Scientific General Monitors, Inc. Gollob Analytical Service Greenwood Laboratories, Inc. R.J. Harvey Instrument Corp. Houston-Atlas, Inc. International Testing Labs., Inc. Arthur D. Little, Inc. Matheson Gas Products Midwest Research Institute Morgan-Schaffer Corp. National Spectrographic Laboratories, Inc. Olson Laboratories, Inc. Particle Data Laboratories, Ltd. Petroleum Analytical Research Corp. Precision Gas Products, Inc. Quantachrome Corp. Rinehart Labs., Inc. Royco Instruments, Inc. Sadtler Research Laboratories, Inc. Scott Research Laboratories, Inc. Spectran Laboratories, Inc. Stewart Laboratories, Inc. Thermco Instrument Corp. Thiokol Chemical Corp. Trapelo/West United States Testing Co., Inc. Vacumetrics, Inc. WARF Institute, Inc. WeatherMeasure Corp. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div. Wilks Scientific Corp.
GENERAL RESEARCH SERVICES Advanced Metals Research Corp. Alpha Metals, Inc. Analytical Development Corp. Anderson Development Co. Apache Chemicals, Inc. Applied Plastics Co., Inc. Atlantic Research Corp. Battelle Memorial Institute Bjorksten Research Labs., Inc. Chemical Data Systems, Inc. Chemical Samples Co. Judith H. Clausen, Ph.D., Consulting Chemist Core Laboratories, Inc. Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Dynatech R/DCo. Gollob Analytical Service Harris Labs., Inc. Heliotek James Hinton Humphreys Corp. Industrial Acoustics Co., Inc. Ionics, Inc. Koslow Scientific Co. Lachat Chemicals, Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists Walter C. McCrone Associates, Inc. Mechanical Technology, Inc. Modern Controls, Inc. Morgan-Schaffer Corp. Nametre Co. PCR, inc. Petroleum Analytical Research Corp. Polysciences, Inc. Precision Sampling Corp. Rinehart Labs,, Inc. Rosmarin & Gilman Inc. Rutherford Research Products Co. Sadtler Research Laboratories, Inc. SAS Scientific Chemicals, Ltd. Sigmatron, Inc. Simon Research Laboratory Sloan Research Industries Div. Somar Labs., Inc.
Spectran Laboratories, Inc. Stewart Laboratories, Inc. Structure Probe, Inc. Technics, Inc. Teledyne Isotopes (N.J.) Teledyne Isotopes (Calif.) Tern-Press Research Div. Tivian Laboratories, Inc. Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. WeatherMeasure Corp. West Coast Technical Service, Inc.
GRAVIMETRY combustion Alpha Metals, Inc. Avco Corp. Bowser-Morner Testing Labs., Inc. Clark Microanalytical Lab. DeBell & Richardson, Inc. F & J Scientific International Hydronics Corp. MCB Manufacturing Chemists Thiokol Chemical Corp.
electrogravimetry Alpha Metals, Inc. Avco Corp. Clark Microanalytical Lab. Detroit Testing Laboratory Koslow Scientific Co. MCB Manufacturing Chemists Technic, Inc.
precipitation Alpha Metals, Inc. Avco Corp. Bowser-Morner Testing Labs., Inc. Clark Microanalytical Lab. DeBell & Richardson, Inc. Detroit Testing Laboratory F & J Scientific International Hydronics Corp. MCB Manufacturing Chemists Technic, Inc. Thiokol Chemical Corp. Tivian Laboratories, Inc.
IDENTIFICATION OF UNKNOWNS AND CONTAMINANTS Advanced Metals Research Corp. Alpha Metals, Inc. Analytical Development Corp. Apache Chemicals, Inc. Applied Science Labs., Inc. Avco Corp. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Brandt Associates, Inc. Chicago Spectro Service Lab., Inc, Clark Microanalytical Lab. Judith H. Clausen, Ph.D., Consulting Chemist Coors Porcelain Co. Coors Spectro-Chemical Lab. Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Gollob Analytical Service Greenwood Laboratories, Inc. Gulf Radiation Technology Harris Labs., Inc. R. J. Harvey Instrument Corp. International Hydronics Corp. International Testing Labs., Inc. Kendall Infrared Laboratories Koslow Scientific Co. Lachat Chemicals, Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists Walter C. McCrone Associates, Inc. Midwest Research Institute Morgan-Schaffer Corp. Petroleum Analytical Research Corp. Rankin Reagent Co. Rinehart Labs., Inc. Royco Instruments, Inc. Sadtler Research Laboratories, Inc. Shankman Laboratories Simon Research Laboratory Sloan Research Industries Div. Spectran Laboratories, Inc. Stewart Laboratories, Inc. Structure Probe, Inc. Thermco Instrument Corp. Thiokol Chemical Corp. Tivian Laboratories, Inc.
LABORATORY GUIDE
Industrial Hygiene Microscopy, electron Trapelo/West United States Testing Co., Inc. Varian Vacuum Div. WARF Institute, Inc. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div.
INDUSTRIAL HYGIENE Beckman Instruments, Inc. Coors Spectro-Chemical Lab. Gollob Analytical Service Harris Labs., Inc. Industrial Acoustics Co., Inc. Walter C. McCrone Associates, Inc. Mine Safety Appliances Co. National Spectrographic Laboratories, Inc. Particle Data Laboratories, Ltd. Rosmarin & Gilman Inc. Royco Instruments, Inc. Scientific Gas Products Inc. Scott Research Laboratories, Inc. Shankman Laboratories Thermo-Systems, Inc. Tivian Laboratories, Inc. WeatherMeasure Corp.
INORGANIC FLUORINE COMPOUNDS Bodman Chemicals Ozark-Mahoning Co. PCR, Inc. Tivian Laboratories, Inc. VAR-LAC-OID Chemical Co. Westinghouse Electric Corp., Electronic Tube Div.
IRRADIATION SERVICES Aerotest Operations American Nuclear Corp. Amersham/Searle Corp. Atomic Energy of Canada Ltd. Cambridge Nuclear Corp. Electronized Chemicals Corp. Eon Corp. General Electric Co. General Electric Co., Irradiation Processing Operation Gulf Radiation Technology ICN Chemtcal & Radioisotope Div. Industrial Reactor Labs., Inc. Kaman Sciences Corp. New England Nuclear Nuclear Equipment Chemical Corp. Nuclear Materials & Equipment Corp. Particle Data Laboratories, Ltd. Radiation Dynamics, Inc. Radiation Facilities, Inc. Teledyne Isotopes (Calif.) Union Carbide Corp., Sterling Forest Research Center U. S. Nuclear Corp.
KINETICS
catalytic Anderson Development Co. Calbiochem Chemical Data Systems, Inc. Reliable Chemical Co. Thiokol Chemical Corp.
differential reaction rate Calbiochem Chemical Data Systems, Inc. Reliable Chemical Co. Thiokol Chemical Corp.
initial reaction rate Calbiochem Chemical Data Systems, Inc. Reliable Chemical Co. Thiokol Chemical Corp.
MASS SPECTROMETRY GAS ANALYSIS Coors Porcelain Co. Electronic Associates, Inc. Extranuclear Labs., Inc. Gollob Analytical Service International Testing Labs., Inc.
LABORATORY GUIDE
Isomet Corp. Arthur D. Little, Inc. Morgan-Schaffer Corp. Nuclide Corp. Petroleum Analytical Research Corp. Precision Gas Products, Inc. Process & Instruments Corp. Scientific Gas Products Inc. Sloan Research Industries Div. Teledyne Isotopes (N.J.) Thiokol Chemical Corp. Vacumetrics, Inc. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div.
MASS SPECTROMETRY (gas chrom. effluent) Electronic Associates, Inc. Gollob Analytical Service Arthur D. Little, Inc. Walter C. McCrone Associates, Inc. Morgan-Schaffer Corp. Nuclide Corp. Petroleum Analytical Research Corp. Sloan Research Industries Div. Thiokol Chemical Corp. West Coast Technical Service, Inc.
MASS SPECTROMETRY (liquid, solids, gases) Avco Corp. Electronic Associates, Inc. Extranuclear Labs., Inc. GCA Technology Div. Gollob Analytical Service International Testing Labs., Inc. Isomet Corp. Ledoux & Co. Arthur D. Little, Inc. Midwest Research Institute Morgan-Schaffer Corp. Nuclide Corp. Petroleum Analytical Research Corp. Sloan Research Industries Div. Thiokol Chemical Corp. Trapelo/West West Coast Technical Service, Inc.
MEASUREMENTS density Alpha Metals, Inc. American Instrument Co. Bowser-Morner Testing Labs., Inc. R. P. Cargille Labs., Inc. Coors Porcelain Co. Coors Spectro-Chemical Lab. Core Laboratories, Inc. Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Dynatech R/D Co. F & J Scientific General Electric Co., Irradiation Processing Operation Kaman Sciences Corp. Arthur D. Little, Inc. Macbeth Corp. MCB Manufacturing Chemists Micromeritics Instrument Corp. Sadtler Research Laboratories, Inc. Spatial Data Systems, Inc. Thiokol Chemical Corp. United States Testing Co., Inc. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
homogeneity Alpha Metals, Inc. M/K Systems, Inc. Structure Probe, Inc. United States Testing Co., Inc. WARF Institute. Inc. Westinghouse Electric Corp., Electronic Tube Div.
index, refractive Detroit Testing Laboratory National Spectrographic Laboratories, Inc. Sadtler Research Laboratories, Inc.
7
particle size
METAL ANALYSIS
Alpha Metals, Inc. American Instrument Co. Bowser-Morner Testing Labs., Inc. Coors Spectro-Chemical Lab. Core Laboratories, Inc. Detroit Testing Laboratory F & J Scientific Ernest F. Fullam, Inc. MCB Manufacturing Chemists Micromeritics Instrument Corp. Millipore Corp. National Spectrographic Laboratories, Inc. Orenda, Ltd. Particle Data Laboratories, Ltd. Quantachrome Corp. Royco Instruments, Inc. Sanda, Inc. Sloan Research Industries Div. Structure Probe, Inc. Thermo-Systems, Inc. Trapelo/West United States Testing Co., Inc. WeatherMeasure Corp. Westinghouse Electric Corp., Electronic Tube Div.
Alpha Metals, Inc. Apache Chemicals, Inc. ArRo Labs., Inc. Avco Corp. Bowser-Morner Testing Labs., Inc. Chicago Spectro Service Lab., Inc. Judith H. Clausen, Ph.D., Consulting Chemist Coors Porcelain Co. Coors Spectro-Chemical Lab. Corning Glass Works (Mass.) Crobaugh Labs. Delsen Corp. Detroit Testing Laboratory F & J Scientific Galbraith Labs., Inc. GCA Technology Div. General Electric Co., Irradiation Processing Operation Gulf Radiation Technology International HydronicsCorp. International Testing Labs., Inc. Jarrell-Ash Div. Koslow Scientific Co. Ledoux & Co. Arthur D. Little, Inc. Mine Safety Appliances Co. National Spectrographic Laboratories, Inc. Orenda, Ltd. Reliable Chemical Co. Sadtler Research Laboratories, Inc. Shankman Laboratories Sloan Research Industries Div. A. O. Smith Corp. Spectran Laboratories, Inc. Spex Industries, Inc. Stewart Laboratories, Inc. Structure Probe, Inc. Tescom Corp. Thiokol Chemical Corp. Tivian Laboratories, Inc. Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
porosimetry American Instrument Co. Bowser-Morner Testing Labs., Inc. Carlo ErbaS.p.A. Micromeritics Instrument Corp. Particle Data Laboratories, Ltd. Ruska Instrument Corp. Sanda, Inc.
spectral transmittance American Instrument Co. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. DeBell & Richardson, Inc. Kendall Infrared Laboratories Arthur D. Little, Inc. MCB Manufacturing Chemists National Spectrographic Laboratories, Inc. Optical Industries, Inc. Rinehart Labs., Inc. Rudolph Instruments Engineering Co., Inc. Sadtler Research Laboratories, Inc. Thiokol Chemical Corp. United States Testing Co., Inc. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
surface area American Instrument Co. Barnebey-Cheney Co. Detroit Testing Laboratory Carlo ErbaS.p.A. Mechanical Technology, Inc. Micromeritics Instrument Corp. M/K Systems, Inc. Optical Industries, Inc. Particle Data Laboratories, Ltd. Royco Instruments, Inc. Sanda, Inc.
viscosity Bico, Inc. Bowser-Morner Testing Labs., Inc. Brookfield Engineering Labs., Inc. R. P. Cargille Labs., Inc. Coors Porcelain Co. Coors Spectro-Chemical Lab. Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Dynatech R/D Co. Gam Rad, Inc. Harris Labs., Inc. Kaltec Scientific Instrument, Inc. Kendall Infrared Laboratories Nametre Co. National Spectrographic Laboratories, Inc. Norcross Corp. PCR, Inc. Petroleum Analytical Research Corp. Ruska Instrument Corp. Thiokol Chemical Corp. United States Testing Co., Inc. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
METHODS DEVELOPMENT Alpha Metals, Inc. Analytical Development Corp. Analytical Instrument Development, Inc. Apache Chemicals, Inc. Avco Corp. Judith H. Clausen, Ph.D., Consulting Chemist Corning Glass Works (Mass.) Crobaugh Labs. DeBell & Richardson, Inc. Dynatech R/D Co. F& J Scientific Greenwood Laboratories, Inc. Harris Labs., Inc. Heliotek Ionics, Inc. Lachat Chemicals, Inc. Ledoux & Co. Arthur D. Little, Inc. Morgan-Schaffer Corp. National Spectrographic Laboratories, Inc. PCR, Inc. Process & Instruments Corp. Rankin Reagent Co. Reliable Chemical Co. Sadtler Research Laboratories, inc. Shankman Laboratories Sloan Research Industries Div. Spectran Laboratories, Inc. Stewart Laboratories, Inc. Structure Probe, Inc. Thiokol Chemical Corp. Tivian Laboratories, Inc. Trapelo/West WARF Institute, Inc. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div.
MICROSCOPY electron Advanced Metals Research Corp. Coors Porcelain Co. Coors Spectro-Chemical Lab. Delaware Scientific Labs., Inc. Fiske Associates, Inc. Ernest F, Fullam, Inc. Holbert Electron Microscopy Laboratory Arthur D. Little, Inc. Walter C. McCrone Associates, Inc. Microbiological Associates, Inc. Nuclear Diodes, Inc.
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Microscopy, optical Separations, Chromatography, electrophoresis
Nuclear Medical Systems, Inc. Particle Data Laboratories, Ltd. Polysciences, Inc. Sloan Research Industries Div. Structure Probe, Inc. Technics, Inc. Trapelo/West
optical Advanced Metals Research Corp. Alpha Metals, Inc. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Coors Porcelain Co. Coors Spectro-Chemical Lab. Crobaugh Labs. DeBell & Richardson, Inc. Delaware Scientific Labs., Inc. Delsen Corp. Detroit Testing Laboratory F & J Scientific Ernest F. Fullam, Inc, Harris Labs., Inc. Lenox Instrument Co. Arthur D. Little, Inc. Walter C. McCrone Associates, Inc. National Spectrographic Laboratories, Inc. Nuclear Medical Systems, Inc. Optical Industries, Inc. Particle Data Laboratories, Ltd. Polysciences, Inc. Redlake Corp. Sloan Research Industries Div. Structure Probe, Inc. Tasco Sales, Inc. Technics, Inc. Thiokol Chemical Corp. Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
MOLECULAR WEIGHT, trace analysis
71
ArRo Labs., Inc. Avco Corp. Clark Microanalytical Lab. Coors Porcelain Co. Core Laboratories, Inc. Crobaugh Labs. DeBell & Richardson, inc. Galbraith Labs., Inc. Greenwood Laboratories, Inc. Harris Labs., Inc. Arthur D. Little, Inc. Morgan-Schaffer Corp. National Spectrographic Laboratories, Inc. Petroleum Analytical Research Corp. Thiokol Chemical Corp. United States Testing Co., Inc. West Coast Technical Service, Inc.
Mallinckrodt/Nuclear Mine Safety Appliances Co. New England Nuclear Nuclear Medical Systems, Inc. Schwarz/Mann Spectrum Medical Industries, Inc. Teledyne Isotopes (Calif.) Trapelo/West Union Carbide Corp., Sterling Forest Research Center United States Testing Co., Inc.
NUCLEAR MAGNETIC RESONANCE SPECTROINTERPRETATION Arthur D. Little, Inc. Midwest Research Institute Morgan-Schaffer Corp. Sadtler Research Laboratories, Inc. Simon Research Laboratory Thiokol Chemical Corp.
OPTICAL POLISHING The Harshaw Chemical Co. R. J. Harvey Instrument Corp. Lenox Instrument Co. Optical Industries, Inc. Rudolph Instruments Engineering Co., Inc. Spectran Laboratories, Inc. Technics, Inc.
PETROGRAPHIC EXAMINATION International Testing Labs., Inc. Arthur D. Little, Inc. Nuclide Corp.
PLASTICS
ICN Chemical & Radioisotope Div. New England Nuclear
ArRo Labs., Inc. Bowser-Morner Testing Labs., Inc. Cadillac Plastic & Chemical Co. Chemplast, Inc. DeBell & Richardson, Inc. Delsen Corp. Detroit Testing Laboratory Dynatech R/D Co. R. J. Harvey Instrument Corp. International Testing Labs., Inc. Arthur D. Little, Inc. Nametre Co. Ν. Β. NewcombCo., Inc. Plastics Consulting Associates Polysciences, Inc. Pressure Chemical Co. Rinehart Labs., Inc. Rutherford Research Products Co. Sadtler Research Laboratories, Inc. Simon Research Laboratory Structure Probe, Inc. Thermoplastic Processes, Inc. Tivian Laboratories, Inc. United States Testing Co., Inc. Waters Associates Inc. West Coast Technical Service, Inc.
NUCLEAR CHEMISTRY
PREPARATIVE G . C
MOSSBAUER ANALYSIS SERVICE
activation analysis Aerotest Operations General Electric Co. General Electric Co., Irradiation Processing Operation Gulf Radiation Technology industrial Reactor Labs., Inc. InterexCorp. Kaman Sciences Corp. Nuclear Diodes, Inc, Teledyne Isotopes (Calif.) Trapelo/West Union Carbide Corp., Sterling Forest Research Center
radiochemistry Aerotest Operations Amersham/Searle Corp. Avco Corp. General Electric Co. General Electric Co., Irradiation Processing Operation Gulf Radiation Technology ICN Chemical & Radioisotope Div. Interex Corp. Ledoux & Co.
334 LG AUGUST 1972
Abcor, Inc. Applied Science Labs., Inc. Castle Co. DeBell & Richardson, Inc. Detroit Testing Laboratory Carlo Erba S.p.A. General Electric Co. Harris Labs., Inc. R. J. Harvey Instrument Corp. PCR, Inc. Perco Supplies Petroleum Analytical Research Corp. Phase Separations Ltd. Precision Gas Products, Inc. Reliable Chemical Co. Sadtler Research Laboratories, Inc. Schwarz/Mann Trapelo/West Varian Aerograph
PREPARATIVE SCALE GEL PERMEATION CHROMATOGRAPHY Abcor, Inc. DeBell & Richardson, Inc. Harris Labs., Inc.
Pharmacia Fine Chemicals, Inc. Reliable Chemical Co. Waters Associates Inc.
RADIOACTIVE LABELING SERVICES AmershamySearle Corp. Applied Science Labs., Inc. Biochemical & Nuclear Corp. Calbiochem Cambridge Nuclear Corp. Controlled Atmosphere, Inc. General Electric Co. ICN Chemical & Radioisotope Div. Isolab, Inc. Mallinckrodt/Nuclear New England Nuclear Nuclear Equipment Chemical Corp. Nuclear Medical Systems, Inc. Particle Data Laboratories, Ltd. Schwarz/Mann Scientific Gas Products Inc. Spectrum Medical Industries, Inc. U. S. Nuclear Corp.
RADIOANALYTICAL Aerotest Operations Applied Science Labs., Inc. Avco Corp. Cambridge Nuclear Corp. General Electric Co. General Electric Co., Irradiation Processing Operation Gulf Radiation Technology Harris Labs., Inc. ICN Chemical & Radioisotope Div. InterexCorp. Isolab, Inc. Ledoux & Co. Mallinckrodt/Nuclear Mine Safety Appliances Co. MSA Research Corp. New England Nuclear Nuclear Equipment Chemical Corp. Nuclear Medical Systems, Inc. Teledyne Isotopes (N.J.) Teledyne Isotopes (Calif.) Trapelo/West Union Carbide Corp., Sterling Forest Research Center United States Testing Co., Inc.
RADIOISOTOPE ANALYSIS Aerotest Operations Avco Corp. Beckman Instruments, Inc. Cambridge Nuclear Corp. Eberline Instrument Corp. Endocrine Laboratories of Madison, inc. General Electric Co. General Electric Co., Irradiation Processing Operation Gulf Radiation Technology Harris Labs., Inc. ICN Chemical & Radioisotope Div. Industrial Reactor Labs., Inc. InterexCorp. Isolab, Inc. Ledoux & Co. Mallinckrodt/Nuclear MSA Research Corp. New England Nuclear Nuclear Equipment Chemical Corp. Nuclear Medical Systems, Inc. Radiation Facilities, Inc. Radiation Materials Co., Inc. Redlake Corp. Teledyne Isotopes (N.J.) Teledyne Isotopes (Calif.) Trapelo/West Union Carbide Corp., Sterling Forest Research Center
R&D, contract Abcor, Inc. Aerotest Operations Aldrich Chemical Co., Inc. Alpha Metals, Inc. Analytical Development Corp. Apache Chemicals, Inc. Barnebey-Cheney Co. Battelle Memorial Institute Beckman Instruments, Inc. Bjorksten Research Labs., Inc. Judith H. Clausen, Ph.D., Consulting Chemist DeBell & Richardson, Inc. Dynatech R/D Co. Extranuclear Labs., Inc. Gam Rad, Inc. GCA Technology Div.
General Electric Co., Irradiation Processing Operation Gulf Radiation Technology Harris Labs., Inc. R. J. Harvey Instrument Corp. Ionics, Inc. Koslow Scientific Co. Ledoux & Co. Arthur D. Little, Inc. Marietta Apparatus Co. Mechanical Technology, Inc. Mine Safety Appliances Co. M/K Systems, Inc. Modern Controls, Inc. Morgan-Schaffer Corp. MSA Research Corp. Nametre Co. Neptune MicroFloc, Inc. New England Nuclear Nuclear Medical Systems, Inc. Olson Laboratories, Inc. Ozark-Mahoning Co. PCR. inc. Polysciences, Inc. Pressure Chemical Co. Princeton Organics, Inc. Process & Instruments Corp. Quantachrome Corp. Redlake Corp. Regis Chemical Co. Reliable Chemical Co. Rinehart Labs., Inc. Rocky Mountain Research, Inc. Rosmarin & Gilman Inc. Rutherford Research Products Co. Saber Labs., Inc. Sadtler Research Laboratories, Inc. Scott Research Laboratories, Inc. Sigmatron, Inc. Simon Research Laboratory Spectran Laboratories, Inc. Stewart Laboratories, Inc. Strem Chemicals, Inc. Structure Probe, Inc. Teledyne Isotopes (Calif.) Tern-Press Research Div. Terra-Marine Bioresearch Tivian Laboratories, Inc. Trapelo/West United States Testing Co., Inc. Universal Water Corp. WARF Institute, Inc. West Coast Technical Service, I nc. Westinghouse Electric Corp., Electronic Tube Div. Willow Brook Laboratories, Inc.
SEPARATIONS, CHROMATOGRAPHY adsorption (column) Abcor, Inc. Analabs, Inc. Analytical Development Corp. Applied Science Labs., Inc. Barnebey-Cheney Co. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Brandt Associates, Inc. Coors Spectro-Chemical Lab. Crobaugh Labs. DeBell & Richardson, Inc. Carlo Erba S.p.A. Harris Labs., Inc. R. J. Harvey Instrument Corp. Lachat Chemicals, Inc. Matheson Gas Products MCB Manufacturing Chemists Nuclear Medical Systems, Inc. PCR, Inc. Petroleum Analytical Research Corp. Pittsburgh Activated Carbon Div. Quantum Industries H. Reeve Angel & Co., Inc. Reliable Chemical Co. Rinehart Labs., Inc. Sadtler Research Laboratories, Inc. The Separations Group Shankman Laboratories Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. Waters Associates Inc. West Coast Technical Service, Inc.
electrophoresis Beckman Instruments, Inc. Harris Labs., Inc. Helena Laboratories Ionics, Inc. Millipore Corp. Nuclear Medical Systems, Inc. H. Reeve Angel & Co., Inc. Reliable Chemical Co. Trapelo/West
LABORATORY GUIDE
Separations, Chromatography, gas Spectrometry, Absorption, visible gas Abcor, Inc. Analabs, Inc. Analytical Development Corp. Applied Science Labs., Inc. ArRo Labs., Inc. Barnebey-Cheney Co. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Chemical Data Systems, Inc. Coors Spectro-Chemical Lab. Core Laboratories, Inc. Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Carlo ErbaS.p.A. Greenwood Laboratories, Inc. Harris Labs., Inc. R. J. Harvey Instrument Corp. Arthur D. Little, Inc. Matheson Gas Products MCB Manufacturing Chemists Walter C. McCrone Associates, Inc. Morgan-Schaffer Corp. National Spectrographic Laboratories, Inc. Orenda, Ltd. PCR, Inc. Petroleum Analytical Research Corp. Pittsburgh Activated Carbon Div. Precision Gas Products, Inc. Princeton Organics, Inc. Reliable Chemical Co. Rinehart Labs., Inc. Sadtler Research Laboratories, Inc. Seaton-Wilson, Inc. Shankman Laboratories Supelco, Inc. Thiokol Chemical Corp. Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. West Coast Technical Service, Inc.
gel permeation/diffusion/ filtration Abcor, Inc. Analytical Development Corp. ArRo Labs., Inc. Cellomer Associates, Inc. DeBell & Richardson, Inc. Carlo Erba S.p.A. Harris Labs., Inc. Arthur D. Little, Inc. Pharmacia Fine Chemicals, Inc. Reliable Chemical Co. Universal Water Corp. Waters Associates Inc. West Coast Technical Service, Inc. Worthington Biochemical Corp.
ion exchange Abcor, Inc. Analytical Development Corp. Beckman Instruments, Inc. Brandt Associates, Inc. Cellomer Associates, Inc. Core Laboratories, Inc. Crobaugh Labs. DeBell & Richardson, Inc. Carlo Erba S.p.A. Greenwood Laboratories, Inc. Harris Labs., Inc. Ionics, Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists Nuclear Medical Systems, Inc. Osmonics, Inc. Pharmacia Fine Chemicals, Inc. Radiation Facilities, Inc. H. Reeve Angel & Co., Inc. Reliable Chemical Co. Sadtler Research Laboratories, Inc. The Separations Group Shankman Laboratories Trapelo/West WARF Institute, Inc. Waters Associates Inc. Worthington Biochemical Corp.
liquid-liquid Abcor, Inc. Analytical Development Corp. Cellomer Associates, Inc. Crobaugh Labs. DeBell & Richardson, Inc. Carlo Erba S.p.A. Harris Labs., Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists Nuclear Medical Systems, Inc. Osmonics, Inc.
Pittsburgh Activated Carbon Div. Reliable Chemical Co. Sadtler Research Laboratories, Inc. The Separations Group Shankman Laboratories Supelco, Inc. Trapelo/West Universal Water Corp. WARF Institute, Inc. Waters Associates Inc.
Seaton-Wilson, Inc. Shankman Laboratories Tivian Laboratories, Inc. Trapelo/West WARF Institute, Inc. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div.
paper
Analabs, Inc. Analytical Development Corp. Crobaugh Labs. Carlo Erba S.p.A. Harris Labs., Inc. Ionics, Inc. Ledoux & Co. MCB Manufacturing Chemists Osmonics, Inc. Pharmacia Fine Chemicals, Inc. H. Reeve Angel & Co., Inc. Reliable Chemical Co. Resource Control, Inc. Sadtler Research Laboratories, Inc. Shankman Laboratories Trapelo/West WARF Institute, Inc. Waters Associates Inc. Westinghouse Electric Corp., Electronic Tube Div. Worthington Biochemical Corp.
Beckman Instruments, Inc. Brandt Associates, Inc. Crobaugh Labs. DeBell & Richardson, Inc. Carlo ErbaS.p.A. Harris Labs., Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists Nuclear Medical Systems, Inc. PCR, Inc. H. Reeve Angel & Co., Inc. Reliable Chemical Co. Sadtler Research Laboratories, Inc. Shankman Laboratories Tivian Laboratories, Inc. Trapelo/West WARF Institute. Inc.
thin layer Analabs, Inc. Analytical Development Corp. Applied Science Labs., Inc, Brandt Associates, Inc. Crobaugh Labs. DeBell & Richardson, Inc. Carlo ErbaS.p.A. Greenwood Laboratories, Inc. Harris Labs., Inc. Lachat Chemicals, Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists Nuclear Medical Systems, Inc. PCR, Inc. Pharmacia Fine Chemicals, Inc. Quantum Industries H. Reeve Angel & Co., Inc. Reliable Chemical Co. Sadtler Research Laboratories, Inc. Shankman Laboratories Supelco, Inc. Tivian Laboratories, Inc. Trapelo/West WARF Institute, Inc.
SEPARATIONS, ion exchange
microwave Arthur D. Little, Inc.
Analytical Development Corp. Harris Labs., Inc. Ledoux & Co. MCB Manufacturing Chemists Miles Labs, Inc., Research Div. (HI.) Reliable Chemical Co. Shankman Laboratories Tivian Laboratories, Inc. Trapelo/West WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
SPECTROMETRY, ABSORPTION atomic
SEPARATIONS, extraction Analabs, Inc. Analytical Development Corp. Applied Science Labs., Inc. Bowser-Morner Testing Labs., Inc. Chemical & Solvent Distillers Co., Inc. Crobaugh Labs. Detroit Testing Laboratory Freeman Industries, Inc. Harris Labs., Inc. Lachat Chemicals, Inc. MCB Manufacturing Chemists Miles Labs, Inc., Research Div. (III.) Osmonics, Inc. Reliable Chemical Co. Sadtler Research Laboratories, Inc.
Alpha Metals, Inc. ArRo Labs., Inc. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Brandt Associates, Inc. Judith H. Clausen, Ph.D., Consulting Chemist Coors Spectro-Chemical Lab. Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Eastman Kodak Co.
Anachemia Chemicals, Inc. Analabs, Inc. Applied Science Labs., Inc. Bodman Chemicals Bowser-Morner Testing Labs., Inc. Chemical & Solvent Distillers Co., Inc. Chemical Samples Co. Chem-Pro Equipment Corp. Detroit Testing Laboratory Harris Labs., Inc. The Humphrey Chemical Co. Lachat Chemicals, Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists PCR, Inc. Petroleum Analytical Research Corp. Pollard & Co. Reliable Chemical Co. Saber Labs., Inc. Sadtler Research Laboratories, Inc. Scientific Gas Products Inc. Seaton-Wilson, Inc. Shankman Laboratories Specialty Qrganics, Inc. Tivian Laboratories, Inc. WARF Institute, Inc. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div.
Eastman Kodak Co., Eastman Organic Chemicals Greenwood Laboratories, Inc. Harris Labs., Inc. R. J. Harvey Instrument Corp. International Testing Labs., Inc. Kendall Infrared Laboratories Lachat Chemicals, Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists Midwest Research Institute National Spectrographic Laboratories, Inc. Nuclear Medical Systems, Inc. PCR, Inc. Reliable Chemical Co. Rinehart Labs., inc. Sadtler Research Laboratories, Inc. Sloan Research IndustriesOiv. Spectran Laboratories, Inc. Stewart Laboratories, Inc. Structure Probe, Inc. Thiokol Chemical Corp. Tivian Laboratories, Inc. Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. West Coast Technical Service, Inc. Wilks Scientific Corp.
SEPARATIONS, precipitation (homogeneous, etc.) ultraviolet
Alpha Metals, Inc. ArRo Labs., Inc. Bowser-Morner Testing Labs., Inc. Brandt Associates, Inc. Chicago Spectro Service Lab., Inc. Judith H. Clausen, Ph.D., Consulting Chemist Coors Porcelain Co. Coors Spectro-Chemical Lab. Gore Laboratories, Inc. Corning Glass Works (N.Y.) Corning Glass Works (Mass.) Crobaugh Labs. DeBell & Richardson, Inc. F & J Scientific Harris Labs., Inc. Instrumentation Laboratory Inc. International Testing Labs., Inc. Jarrell-Ash Div. Ledoux & Co. Arthur D. Little, Inc. MCB Manufacturing Chemists National Spectrographic Laboratories, Inc. Reliable Chemical Co. Sadtler Research Laboratories, Inc. Shankman Laboratories A. O. Smith Corp. SpectraMetrics, Inc. Stewart Laboratories, Inc. Structure Probe, Inc. Trapelo/West United States Testing Co., Inc. Varian Vacuum Div. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
SEPARATIONS, distillation
7
infrared
Alpha Metals, Inc. Analytical Development Corp. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Brandt Associates, Inc. Judith H. Clausen, Ph.D., Consulting Chemist Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory GCA Technology Div. Greenwood Laboratories, Inc. Harris Labs., Inc. James Hinton International Testing Labs., Inc. Kendall Infrared Laboratories Lachat Chemicals, Inc. Arthur D. Little, Inc. MCB Manufacturing Chemists National Spectrographic Laboratories, Inc. Nuclear Medical Systems, Inc. PCR, Inc. Petroleum Analytical Research Corp. Process & Instruments Corp. Reliable Chemical Co. Rinehart Labs., Inc. Rudolph Instruments Engineering Co., Inc. Sadtler Research Laboratories, Inc. Shankman Laboratories Stewart Laboratories, Inc. Thiokol Chemical Corp. Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
visible Alpha Metals, Inc. Analytical Development Corp. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Brandt Associates, Inc. Judith H. Clausen, Ph.D., Consulting Chemist Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Greenwood Laboratories, Inc. Harris Labs., Inc. International Testing Labs., Inc. Kendall Infrared Laboratories Ledoux & Co. Arthur D. Little, Inc. MCB Manufacturing Chemists National Spectrographic Laboratories, Inc. PCR, Inc. Petroleum Analytical Research Corp. Process & Instruments Corp. Reliable Chemical Co. Rinehart Labs., Inc. Rudolph Instruments Engineering Co., Inc. Sadtler Research Laboratories, Inc. Shankman Laboratories Stewart Laboratories, Inc. Thiokol Chemical Corp.
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Spectrometry, Absorption, x-ray Zone Refining
Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
x-ray Advanced Metals Research Corp. Alpha Metals, Inc. Bowser-Morner Testing Labs., Inc. Columbia Scientific Industries Crobaugh Labs. International Testing Labs., Inc. Arthur D. Little, Inc. Nuclear Diodes, Inc. Nuclear Semiconductor, Inc. Reliable Chemical Co. Sloan Research Industries Div. Somar Labs., Inc. Thiokol Chemical Corp. Trapelo/West
Bowser-Morner Testing Labs., Inc. Cerac, Inc. Chicago Spectro Service Lab., Inc. Columbia Scientific Industries Coors Porcelain Co. Coors Spectro-Chemical Lab. Crobaugh Labs. Ernest F. Fullam, Inc. INAX Instruments Ltd. Ledoux & Co. Arthur D. Little, Inc. Walter C. McCrone Associates, Inc. National Spectrographic Laboratories, Inc. Nuclear Diodes, Inc. Quantum Physics, Inc. Sloan Research Industries Div. Somar Labs., Inc. Stewart Laboratories, Inc. Structure Probe, Inc. Thiokol Chemical Corp. Trapelo/West Westinghouse Electric Corp., Electronic Tube Div.
National Spectrographic Laboratories, Inc. Ozone Research & Equipment Corp. Particle Data Laboratories, Ltd. RedlakeCorp. Rosmarin & Gil man Inc. Rutherford Research Products Co. Sadtler Research Laboratories, Inc. Sloan Research Industries Div. Stewart Laboratories, Inc. Trapelo/West United States Testing Co., Inc. WARF Institute, Inc. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div.
THERMAL ANALYSIS controlled thermolytic dissociation National Spectrographic Laboratories,
SPECTROMETRY, DIFFRACTION neutron Industrial Reactor Labs., Inc.
x-ray Advanced Metals Research Corp. Alpha Metals, Inc. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Coors Porcelain Co. Coors Spectro-Ghemical Lab. Crobaugh Labs. Enraf-Nonius, Inc. Ernest F. Fullam, Inc. Lachat Chemicals, Inc. Arthur D. Little, Inc. Walter C. McCrone Associates, Inc. National Spectrographic Laboratories, Inc. Nuclear Diodes, Inc. Reliable Chemical Co. Sloan Research Industries Div. Structure Probe, Inc. Tern-Press Research Div. Thiokol Chemical Corp. Trapelo/West Westinghouse Electric Corp., Electronic Tube Div.
7
SPECTROMETRY, EMISSION flame Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Judith H. Clausen, Ph.D., Consulting Chemist Coors Porcelain Co. Coors Spectro-Chemical Lab. Corning Glass Works (Mass.) Crobaugh Labs. Detroit Testing Laboratory Endocrine Laboratories of Madison, Inc. F & J Scientific Instrumentation Laboratory Inc. Jarrell-Ash Div. Ledoux & Co. National Spectrographic Laboratories, Inc. Orenda, Ltd. Petroleum Analytical Research Corp. Process & Instruments Corp. Quantum-Physics, Inc. Reliable Chemical Co. Rinehart Labs., Inc. Sadtler Research Laboratories, Inc. Shankman Laboratories SpectraMetrics, Inc. Stewart Laboratories, Inc. Thiokol Chemical Corp. Trapelo/West United States Testing Co., Inc. Westinghouse Electric Corp., Electronic Tube Div.
Raman Jarrell-Ash Div. Quantum Physics, Inc. Spex Industries, Inc.
x-ray Advanced Metals Research Corp. Alpha Metals, Inc.
336 LG AUGUST 1972
SPECTROMETRY, MAGNETIC RESONANCE electron spin Midwest Research Institute
fluorescence Arthur D. Little, Inc. Nuclear Medical Systems, Inc. Reliable Chemical Co.
mass Avco Corp. Gollob Analytical Service Arthur D. Little, Inc. Midwest Research Institute Morgan-Schaffer Corp. Petroleum Analytical Research Corp. Process & Instruments Corp. West Coast Technical Service, Inc.
Mossbauer Austin Science Associates, Inc. ICN Chemical & Radioisotope Div.
nuclear Midwest Research Institute Morgan-Schaffer Corp. Reliable Chemical Co. Sadtler Research Laboratories, Inc. Simon Research Laboratory Thiokol Chemical Corp.
nuclear quadrupole
differential scanning calorimetry Dynatech R/D Co. Arthur D. Little, Inc. MCB Manufacturing Chemists National Spectrographic Laboratories, Inc. PCR, Inc. Reliable Chemical Co. Structure Probe, Inc. Tern-Press Research Div. West Coast Technical Service, Inc.
differential thermal analysis American Instrument Co. ArRo Labs., Inc. Columbia Scientific Industries Coors Spectro-Chemical Lab. DeBell & Richardson, Inc. Delsen Corp. Dynatech R/D Co. Arthur D. Little, Inc. NanMacCorp. National Instrument Laboratories, Inc. National Spectrographic Laboratories, Inc. PCR, Inc. Reliable Chemical Co. Rutherford Research Products Co. Sadtler Research Laboratories, Inc. Structure Probe, Inc. Tern-Press Research Div. Thiokol Chemical Corp. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div.
thermogravimetric analysis
Gollob Analytical Service Arthur D. Little, Inc. Middlesex General Ind. Monsanto Co. Morgan-Schaffer Corp. Quantachrome Corp. Seaton-Wilson, Inc. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div.
American Instrument Co. ArRo Labs., Inc. Columbia Scientific Industries Coors Spectro-Chemical Lab. DeBell & Richardson, Inc. Delsen Corp. Dynatech R/D Co. Arthur D. Little, Inc. National Spectrographic Laboratories, Inc. Reliable Chemical Co. Sadtler Research Laboratories, Inc. Structure Probe, Inc. Tern-Press Research Div. Thiokol Chemical Corp. West Coast Technical Service, Inc. Westinghouse Electric Corp., Electronic Tube Div.
TESTING
TITRATIONS
Wilks Scientific Corp.
TEMPERATURE-VACUUM OUT-GASSING
Analytical Development Corp. Bowser-Morner Testing Labs., Inc. Core Laboratories, Inc. DeBell & Richardson, Inc. Delsen Corp. Detroit Testing Laboratory Dynatech R/DCo. Environeering, Inc. General Electric Co., Irradiation Processing Operation Harris Labs., Inc. R. J. Harvey Instrument Corp. Kaltec Scientific Instrument, Inc. Lachat Chemicals, Inc. Arthur D. Little, Inc. Morgan-Schaffer Corp. Nametre Co.
color indicators Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Brandt Associates, Inc. Judith H. Clausen, Ph.D., Consulting Chemist Coors Spectro-Chemical Lab. Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory Greenwood Laboratories, Inc. Harris Labs., Inc. Heliotek International Hydronics Corp. The London Co. MCB Manufacturing Chemists
Nuclear Medical Systems, Inc. Petroleum Analytical Research Corp. Rankin Reagent Co. Reliable Chemical Co. Rinehart Labs., Inc. Sadtler Research Laboratories, Inc. Scientific Gas Products Inc. Shankman Laboratories Stewart Laboratories, Inc. Thiokol Chemical Corp. Tivian Laboratories, Inc. United States Testing Co., Inc. WARF Institute, Inc. Westinghouse Electric Corp., Electronic Tube Div.
electrochemical Alpha Metals, Inc. Beckman Instruments, Inc. Bowser-Morner Testing Labs., Inc. Brandt Associates, Inc. Judith H. Clausen, Ph.D., Consulting Chemist Coors Spectro-Chemical Lab. Corning Glass Works (Mass.) Crobaugh Labs. DeBell & Richardson, Inc. Detroit Testing Laboratory DOHRMANN Div. Envirotech Corp. Fiske Associates, Inc. Greenwood Laboratories, Inc. Harris Labs., Inc. Heliotek Koslow Scientific Co. The London Co. MCB Manufacturing Chemists Petroleum Analytical Research Corp. Rankin Reagent Co. Reliable Chemical Co. Sadtler Research Laboratories, Inc. Shankman Laboratories Thiokol Chemical Corp. Tivian Laboratories, Inc. United States Testing Co., Inc. Westinghouse Electric Corp., Electronic Tube Div.
photometric Alpha Metals, Inc. Brandt Associates, Inc. Coors Spectro-Chemical Lab. Corning Glass Works (Mass.) Detroit Testing Laboratory Harris Labs., Inc. The London Co. MCB Manufacturing Chemists Process & Instruments Corp. Reliable Chemical Co. Stewart Laboratories, Inc. Thiokol Chemical Corp. Tivian Laboratories, Inc. United States Testing Co., Inc.
thermometric Harris Labs., Inc. Reliable Chemical Co. Sanda, Inc. United States Testing Co., Inc.
TRITIUM LABELING Amersham/Searle Corp. Eberline Instrument Corp. ICN Chemical & Radioisotope Div. Isolab, Inc. Mallinckrodt/Nuclear New England Nuclear Nuclear Equipment Chemical Corp. Nuclear Medical Systems, Inc. Particle Data Laboratories, Ltd. Schwarz/Mann Scientific Gas Products Inc. U. S. Nuclear Corp.
ZONE REFINING Anderson Physics Labs., Inc. Aremco Products, Inc. J. T. Baker Chemical Co. Chemical Samples Co. Enraf-Nonius, inc. Heliotek James Hinton Materials Research Corp. Princeton Organics, Inc. Reliable Chemical Co. Semi-Elements, Inc. Technics, Inc. United Mineral & Chemical Corp. VAR-LAC-OID Chemical Co. Westinghouse Electric Corp., Electronic Tube Div.
LABORATORY GUIDE
