PITTSBURGH CONFERENCE on Analytical ... - ACS Publications

PITTSBURGH CONFERENCE on Analytical Chemistry and Applied Spectroscopy March 2 to 7 Cleveland, Ohio PROGRAM MONDAY, MARCH 3 X-RAY GENERAL Monday Morning

J. R. Ryan, Presiding

9:00 A New Approach for Mass Absorption Correction in Electron Probe Microanalysis. P. S. Ong, Philips Electronic Instruments, 750 S. Fulton Ave., Mount Vernon, Ν. Υ. 10550 9:20 New Developments and Requirements in Electron Probe Instrumentation. P. S. Ong, C. Rudd, N. Galetta, Philips Electronic Instruments, 750 S. Fulton Ave., Mount Vernon, Ν. Υ. 10550 9:40 The Application of Alpha-Gamma Spectroscopy for Plu­ tonium Isotopic Analysis. R. A. Deal, J. C. Limpert, D. B. James, Nuclear Materials and Equipment Corp., Apollo, Pa. 10:00 Nondestructive Incremental Mass Measurement of Rover Fuel Elements by Gamma Ray Absorption. B. L. Blanks, M. A. Winkler, Los Alamos Scientific Laboratory,

Los Alamos, N. M. 87544; Robert Christian, Jr., Wichita State University, Witchita, Kan. 67208 10:40 Energy Dispersion Analysis Using Sealed X-Ray Excita­ tion Sources. T. D. Kirkendall, P. F. Varadi, R. F. Naill, The Machlett Laboratories, Div. of Raytheon Co., 1063 Hope St., Stamford, Conn. 06097 11:00 Improved Diffraction Elements for Analysis in the Soft X-Ray Region. T. A. Whatley, Applied Research Laboratories, P. O. Box 129, Sunland, Calif. 91040 11:20 A Cold Cathode Soft X-Ray Source for Spectroscopy, Diffraction, and Radiography. J. S. Solomon, University of Cincinnati, Cincinnati, Ohio 45221; W. L. Baun, Wright-Pat­ terson Air Force Base, Ohio 45433 11:40 A Versatile Curved or Flat Crystal Soft X-Ray Spec­ trometer. E. W. White, Materials Research Laboratory, Pennsylvania State University, University Park, Pa. 16802; W. L. Baun, Wright-Patterson Air Force Base, Ohio45433 12:00 Soft X-Ray Emission Data Acquisition and Handling. W. L. Baun, Wright-Patterson Air Force Base, Ohio45433

CONDENSED PROGRAM All Sessions are in Cleveland Center AM X-ray—General MONDAY MARCH 3

Atomic Absorption Analyses—Biomedical and Related Fields Symposium on NMR of the Solid State Laser and Flame Spectroscopy

TUESDAY MARCH 4

Ultraviolet and Visible Spectrophotometers Symposium on Oxides and Glasses Symposium on Spark-Source Mass Spec­ trometry

WEDNESDAY MARCH 5

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Optical Emission—Instrumentation and Ap­ plications Liquid Chromatography—General Symposium: Analytical Techniques on the Horizon Infrared Spectroscopy

PM X-ray Fluorescence—Applications and In­ strumentation Atomic Absorption Symposium on Analysis—Food and Agri­ cultural Chemicals NMR, ESR, NQR—General Chromatography and Emission Spectros­ copy Atomic Absorption Spectroscopic Analysis of Glasses and Ox­ ides Mass Spectrometry Steel and Metal Analysis Gas Chromatography—General SSP Award Symposium Infrared and Raman Spectra

THURSDAY MARCH 6

Spectrophotometric Methods Chromatography—General Symposium—Computer Interfacing with Analysis Instrumentation and Techniques—Mainly Infrared

Methods for Acid and Halogen Compounds Thermal Methods Coblentz Society Symposium

FRIDAY MARCH 7

Organic and Polymer Analysis Electrochemical Methods of Analysis Computer Interfacing with Analysis Symposium: Applications of Selective Ion Electrodes

General Analysis Thermal Methods Computer Interfacing with Analysis Selective Ion Electrodes

ANALYTICAL CHEMISTRY

Circular Dichroism and Nonspectroscopic —Instruments and Techniques

Pittsburgh Conference ATOMIC ABSORPTION Monday Morning

J. F. Bukowski, Presiding

9:00 Electronic Noise Sources and Their Effect on Atomic Absorption Spectrophotometry. J. E. Burnett, S. B. Smith, Jr., Instrumentation Laboratory, Inc., 113 Hartwell Ave., Lex­ ington, Mass. 02173 9:20 Investigation of Burner Clogging in Atomic Absorption Spectrophotometry. S. D. Rains, Bausch & Lomb, Inc., 635 St. Paul St., Rochester, Ν. Υ. 14602 9:40 Theoretical Optimization of Precision in Absorptive Spectrophotometry and Application in Atomic Absorption Spectroscopy. A. J. Waraksa, J. E. Burnett, S. B. Smith, Jr., Instrumentation Laboratory, Inc., 113 Hartwell Ave., Lexington, Mass. 02173 10:00 Atomic Absorption Analysis Using a New Technique for Estimating Nonspecific Band Absorbance. J. T. Chisholm, S. D. Rains, Bausch & Lomb, Inc., 635 St. Paul St., Rochester, Ν. Υ.14602 10:40 The Influence of Hollow Cathode Lamp Instabilities on Atomic Absorption Spectroscopy. M. R. Hackman, J. B. Flato, Princeton Applied Research Corp., P. O. Box 565, Princeton, N. J. 08540 11:00 Multi-Element Lamps for Atomic Absorption. John Vollmer, C. C. Helms, H. L. Kahn, Perkin-Elmer Corp., Main Ave., Norwalk, Conn. 06852 11:20 Factors Affecting Precision in Atomic Absorption Anal­ ysis. D. C. Manning, Frank Fernandez, Perkin-Elmer Corp., Main Ave., Norwalk, Conn. 06852 11:40 A Variable-Flow Force-Feed Aspiration System for Atomic Absorption Spectrophotometry. A. H. Jones, Gen­ eral Motors Research Laboratories, 12 Mile and Mound Rd., Warren, Mich. 48090 12:00 A New Approach to Multi-Channel Atomic Absorption and Flame Emission Systems. G. R. Nolan, Frederick Brech, Jarrell-Ash Div., Fisher Scientific Co., 590 Lincoln St., Waltham, Mass. 02154 ANALYSES—BIOMEDICAL AND RELATED FIELDS Monday Morning

C. E. McGinnis, Presiding

9:00 Emission Spectrographic Survey Analysis of Ashed Biological Materials. R. K. Skogerboe, A. J. Bedrosian, G. H. Morrison, Cornell University, Ithaca, Ν. Υ. 14850 9:20 Single Specimen Derivative Spectrophotometry (SSD). J. M. Goldstein, Harvard School of Public Health and Brower Laboratories, 665 Huntington Ave., Boston, Mass. 9:40 Analysis of Lead in Human Hair by Atomic Absorption Spectroscopy. L. Kopito, M. Sakamoto, H. Shwachman, Childr's Hospital Medical Center, 300 Longwood Ave., Boston, Mass. 02115 10:00 Color Measurements on Highly Turbid Materials with Special Reference to Citrus Fruit Beverages. F. H. A. Rummens, University of Saskatchewan, Regina, Saskatche­ wan, Canada 10:40 Evaluation of Correction Equations for Sample Inter­ actions in AutoAnalyzer Methodology. H. S. Strickler, P. J. Stanchak, J. J. Maydak, W. H. Singer Memorial Research Institute of Allegheny General Hospital, Pittsburgh, Pa. 15212 11:00 Diuretic Metabolism—Separation, Identification, and Measurement of Zaroxolyn Metabolites in Body Fluids. Orville Hinsvark, Walter Zazulak, Frances Mayberry, Strasenburgh Laboratories, Div. Wallace & Tiernan, Inc., Rochester, N.Y. 11:20 Rapid Chromatographic Procedure for Urinary Aldo­ sterone. C. E. Willis, S. A. Tyko, Lewis Kanics, Cleveland Clinic, 2020 E. 93rd St., Cleveland, Ohio 44106 11:40 Identification of Steroids from Thin Layer Chromato­ graphic Zones by MIR Spectroscopy. E. L. Saier, H. F. Acevedo, William H. Singer Memorial Research Institute of Allegheny General Hospital, Pittsburgh, Pa. 15212 12:00 Automated Determination of Nanogram Quantities of Cyanide in Phamaceutical Preparations. R. K. Love, M. E. McCoy, Miles Laboratories, Inc., 1127 Myrtle St., Elkhart, Ind. 46514

SYMPOSIUM ON NMR OF THE SOLID STATE Monday Morning F. E. Dickson, Presiding 9:00 Pulsed NMR in Solids. J. S. Waugh, Massachusetts Institute of Technology, Cambridge, Mass. 02139 9:40 Chemical Shifts in Solids. P. C. Lauterbur, State Uni­

versity of New York at Stony Brook, Stony Brook, Ν. Υ. 11790 10:40 Nuclear Spin Lattice Relaxation in Solids via Paramag­ netic Centers. I. J. Lowe, Dept. of Physics, University of Pittsburgh, Pittsburgh, Pa. 15213 11:20 Multiple Pulse NMR Experiments in Homonuclear and Heteronuclear Solids. D. Hofer, University of Illinois, Urbana, 111.61801

X-RAY FLUORESCENCE—APPLICATIONS & INSTRUMENTATION Monday Afternoon

C. K. Matocha, Presiding

2:00 Analysis of Thin Metal Foils by X-Ray Absorptiometry. S. D. Rasberry, K. F. J. Heinrich, National Bureau of Standards, Washington, D. C. 20234 2:20 The Semi-Quantitative Analysis of Unknown Samples by X-Ray Fluorescence Spectrograph^. T. F. Anater, Westinghouse Bettis Atomic Power Laboratory, P. O. Box 79, West Mifflin, Pa. 15122 2:40 Matrix Effect Corrections in the X-Ray Emission Spec­ troscopic Analysis of Bauxites. E. O. Strahl, F. J. Bowen, Kaiser Aluminum and Chem. Corp., Permanente, Calif. 3:00 Ultrasonic Chemical Milling of Stainless Steels and Incoloys for the X-Ray Fluorescence Analysis of Selected Sam­ ples One Micron in Depth. J. D. Johnson, C. J. Belle, S. L. Schrock, Westinghouse Electric Corp., P. O. Box 158, Waltz Mill Site, Madison, Pa. 15663 3:40 New Hand Held X-Ray Spectrographic Probe for OnSpot Analysis. A. H. Pitchford, R. A. Cianflone, Pitchford Scientific Instruments Corp. and Pitchford Manufacturing Corp., 1901 Painters Run Rd., P. O. Box 11668, Pittsburgh, Pa. 15228 4:00 A Comparison of Different Methods of Determining the Deadtimes of X-Ray Spectrometer Systems. R. L. Niemann, T. Tuchscheerer, Siemens America, Inc., 350 Fifth Ave., New York Ν. Υ. 10001 4:20 A New Manual Vacuum Spectrograph. J. A. Dunne, Philips Electronic Instruments, 750 S. Fulton Ave., Mount Vernon, Ν. Υ. 10550 4:40 A New Automatic Vacuum X-Ray Spectrometer. R. Westberg, J. Croke, Philips Electronic Instruments, 750 S. Fulton Ave. Mount Vernon, Ν. Υ. 10550 5:00 Separation and X-Ray Spectrographic Determination of Microgram Quantities of Arsenic in Copper-, Iron-, and Nic­ kel-Base Alloys. K. E. Burke, M. M. Yanak, International Nickel Co., Inc., Paul D. Merica Research Laboratory, Sterling Forest, Suffern, Ν. Υ. 10901

ATOMIC ABSORPTION Monday Afternoon

R. D. Fricioni, Presiding

2:00 An Evaluation of Light Sources for Atomic Absorption Spectroscopy. P. A. Bennett, Varian Techtron Pty. Ltd., P. O. Box 222, Springvale, Victoria, Australia 2:20 Improvements in Analytical Performance with New In­ strumentation for Atomic Absorption Spectroscopy. J. Ramirez-Munoz, D. Barber, A. Hell, N. Shifrin, Beckman In­ struments, Inc., Fullerton, Calif. 92634 2:40 Fog Rate in Atomic Absorption Measurements. E. A. Boling, S. B. Smith, J. Zindler, Instrumentation Laboratory, Inc., 113 Hartwell Ave., Lexington, Mass. 02173 3:00 Time-Resolved Atomic Absorption Spectroscopy. G. H. Keats, Princeton Applied Research Corp., P. O. Box 565, Princeton, N. J. 08540 3:40 Applications of Atomic Absorption in a Manufacturing Industry. E. A. Kraft, Western Electric Co., Inc., 6200 E. Broad St., Columbus, Ohio 43213 4:00 The Physical Basis of Atomic Absorption Spectroscopy. II. Neutral Atoms and Temperature Gradients. Atsushi Ando, Keiichiro Fuwa, B. L. Vallée, Harvard Medical School, Boston, Mass. 02115 4:20 Applications of a Multimode Atomic Absorption Emission Spectrophotometer with Internal Standardization. S. B. Smith, F. J. Feldman, Instrumentation Laboratory, Inc., 113 Hartwell Ave., Lexington, Mass. 02173 4:40 Use of Suspensions in Atomic Absorption Flame Photometry. J. Ramirez-Munoz, M. E. Roth, W. F. Ulrich, Beckman Instruments, Inc., 2500 Harbor Blvd., Fullerton, Calif. 92634 5:00 An Evaluation of Light Sources for Atomic Fluorescence Spectroscopy. P. A. Bennett, Varian Techtron Pty. Ltd., P. O. Box 222, Springvale, Victoria, Australia VOL. 4 1 , NO. 2, FEBRUARY 1969

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Pittsburgh Conference SYMPOSIUM ON ANALYSIS FOOD A N D A G R I C U L T U R A L CHEMICALS Monday Afternoon

R. E. Hein, Presiding

2:00 Gas Chromatography Detectors for Pesticide Analysis. Laura Giuffrida, N. F. Ives, Food a n d Drug A d m i n i s t r a t i o n , W a s h i n g t o n , D. C. 20204 2:30 Spectrometry as an Aid to the Pesticide Analyst. R. C. B l i n n , A m e r i c a n C y a n a m i d Co., Agricultural Div., Princeton, N . J . 08540 3:00 Flame Photometry, A Versatile Means of Gas Chromato­ graphic Detection of Pesticides and Other Compounds Con­ taining Phosphorus, Sulfur, and Halogens. M. C. B o w a n , M o r t o n Beroza, U. S. Dept. of Agriculture, T i f t o n , G a . a n d Beltsville, M d . 3:45 Twenty-Year Progress in Pesticide Residue Analyses. Gunter Zweig, Syracuse University Research Corp., Syracuse, Ν. Υ. 13210 4:15 Identification of Volatile Food Components by Combined Gas Chromatography-Mass Spectrometry. Phillip I s s e n berg, M a s s a c h u s e t t s I n s t i t u t e of Technology, C a m b r i d g e , Mass. 02139 4:45 Atomic Absorption Spectrophotometry in Agricultural Analysis. C. H. M c B r i d e , USS Agri-Chemicals, Inc., 685 DeKalb Industrial Way, Decatur, Ga. 30033

N M R , ESR N Q R - G E N E R A L Monday Afternoon

R. A. Friedel, Presiding

2:00 2' and 3' Trifluoroanilides, An Infrared and NMR Study. H. Agahigian, Baron C o n s u l t i n g Co., Orange, C o n n . 06477; J . K a r a m i n o s , Carbolabs, Inc., M i l f o r d , C o n n . 06460; J . Bar­ rante, Southern C o n n e c t i c u t State College, New H a v e n , C o n n . 2:20 Nuclear Magnetic Resonance Study of the Ring Inver­ sion Rate in the Hexahydropyrimidine System. J . E. B u n d s , Universal Oil Products Co., 30 A l g o n q u i n Rd., DesPlaines, III. 60016 2:40 Complex Mixture Analysis by NMR: Sulfa Drugs. C. F. H a m m e r , R. B. J o s e p h , Georgetown University, 37th a n d Ο St., N. W., W a s h i n g t o n , D. C. 20007 3:00 Determination of 2,4-Dichlorophenol in Dichlorophenol Isomers by NMR. N a o h u m i E s u m i , T e r u S u z u k i , Shoichi Hayashi, J a p a n Electron Optics Laboratory Co., L t d . , 1418 N a k a g a m i , A k i s h i m a , Tokyo, J a p a n 3:40 A New NMR Spectrometer. A. R. J . Arthur, PerkinElmer, Ltd., Beaconsfield, Bucks, England 4:00 An Interactive NMR Computer System. D. J . Waks, A p p l i e d Data Research, Inc., Route 206 Centre, Princeton, N. J . 08540; C. P. Spector, Digital E q u i p m e n t Corp., M a y n a r d , Mass. 01754 4:20 Liquid Helium Operation of a Compact ESR Spec­ trometer. T. Okabe, N. Jujii, Hitachi L t d . , Tokyo, J a p a n ; P. A. Strauss, Perkin-Elmer Corp., M a i n Ave., Norwalk, C o n n . 4:40 ESR Studies for High-Temperature Gas. H. Hasegawa, T. M a r u y a m a , J a p a n Electron Optics Lab. Co., L t d . , N a k a g a m i 1418, A k i s h i m a , Tokyo, J a p a n 5:00 Performance of the NQR-1A Spectrometer Over a Broad Frequency Range. D. T h o m p s o n , A. C. Gilby, P. A. Wilks, Wilks Scientific Corp., 140 Water St., P.O. Box 441, So. Norwalk, C o n n . 06856

LASER A N D FLAME SPECTROSCOPY J. T. Rosa, Presiding

9:00 A Spectrograph/Spectrometer System for Use with the Laser Probe. Marvin Margoshes, B. F. Scribner, National Bureau of S t a n d a r d s , W a s h i n g t o n , D. C. 20234 9:20 Laser Beam-Sample Interactions in the Laser Probe Sampling of Metals. J . M. B a l d w i n , Idaho Nuclear Corp., P. O. Box 1845, Idaho Falls, Idaho 83401 9:40 A New Small Crater Laser Spectrochemical System. Frederick Brech, Jarrell-Ash Div., Fisher Scientific Co., 590 Lincoln St., W a l t h a m , Mass. 02154 10:00 Advances in Concentrated Glow-Emission. H e r m a n n Ritzel, RSV Spectroscopy Div. of Carl Zeiss, H e c h e n d o r f / Pilsenee, W. Germany; K. L. R. Mahler, Carl Zeiss Canada L t d . , Toronto, Ontario, Canada

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ANALYTICAL CHEMISTRY

ULTRAVIOLET A N D VISIBLE SPECTROPHOTOMETERS Tuesday Morning

W. B. Chambers, Presiding

9:00 Some New Applications of the Multipurpose Recording Spectrophotometer. Hideki M a k a b e , T a k a s h i Kurita, Teiji Nakagawa, S h i m a d z u Seisakusho, L t d . , 1, K u w a b a r a c h o , Nishinokyo, N a k g y o k u , Kyoto, J a p a n ; Kazuo Shibata, Tokyo I n s t i t u t e of Technology, 1 O o k a y a m a , M e g u r o k u , T o k y o , Japan 9:20 A Stopped-Flow T e m p e r a t u r e - J u m p Spectrophotom­ eter. J . E. Stewart, P. L u m , D u r r u m I n s t r u m e n t Corp., 3950 Fabian Way, Palo Alto, Calif. 94303 9:40 A Scanning Version of the Beckman Double Beam Microspectrophotometer. G u n t h e r Rath, B e c k m a n I n s t r u m e n t s , G m b H , M u n i c h , Germany 10:00 An Automatic Absorption Spectrophotometer for Rapid and Precise Analyses. R. E. A n a c r e o n , Perkin-Elmer Corp., Main Ave., Norwalk, C o n n . 06852 10:40 New Accessories for the Coleman Model 124 Spectro­ photometer. F. J . Vetrovec, H. A. K n e u p p e l , Perkin-Elmer Corp., Norwalk, C o n n . 06852 11:00 A New Digital Concentration Spectrophotometer. T. J. M o r g a n , Bausch & L o m b , Inc., 635 St. Paul St., Rochester, Ν. Υ. 14602 11:20 Achieving Stability in Low Cost Spectrophotometry. J o s e p h Sliwkowski, Bausch & L o m b , Inc., 635 St. Paul St., Rochester, Ν. Υ. 14602 11:40 A New Cost Spectrophotometer. D. C. Laurin, Bausch & L o m b , Inc., 635 St. Paul St., Rochester, Ν. Υ. 14602

SYMPOSIUM ON OXIDES A N D GLASSES Tuesday Morning

J. F. Jackovitz, Presiding

9:00 Short Range Forces in Solids. J . S. A n d e r s o n , Oxford University, Oxford, England 9:45 NMR Studies of the Structure of Glasses. P. J . Bray, Brown University, Dept. of Physics, Barus-Holley B l d g . , Providence, R. I. 02912 10:40 The Colors of Glasses in the 1964 C L E . Uniform Color Space. A. J. Werner, Corning Glass Works, Corning, Ν. Υ. 11:10 Spin Relaxation of Point Defects in Glasses. G. R. Wag­ ner, Westinghouse Research Laboratories, Beulah R d . , Churchill Borough, P i t t s b u r g h , Pa. 15235 11:40 Electron Microscopy of Glass. Helen R. Golob, Pitts­ burgh Plate Glass Research Center, P. 0 . Box 11472, Pitts­ b u r g h , Pa. 15238

SYMPOSIUM ON SPARK SOURCE MASS SPECTROMETRY

TUESDAY, MARCH 4

Tuesday Morning

10:40 Some Applications of Hydrogen Flame Spectrophotom­ etry to the Analysis of Air Pollutants. W. L. Crider, R. W. Slater, Jr., A. A. Strong, N. P. Barkley, National Air Pollution Control A d m i n i s t r a t i o n , 1055 Laidlaw Ave., C i n c i n n a t i , Ohio 45237 11:00 Derivative Flame Emission Spectrometry. Oscar Menis, T. C. Rains, National Bureau of S t a n d a r d s , Wash­ i n g t o n , D. C. 20234 11:20 A New Approach to Flame Spectrometric Analysis Utiliz­ ing Isolated Droplets of Sample Solutions. G. M. Hieftje, H. V. M a l m s t a d t , University of Illinois, Urbana, III. 61801 11:40 Solid Samples by Flame Photometry. Elias Eljuri, Al­ berto Goldwasser, Marcos Ghiglione, Central University, Chemistry School, Caracas, Venezuela

Tuesday Morning

M. M. McCrea, Presiding

9:00 Development of the Mattauch-Herzog Type Mass Spec­ trograph. R. F. Herzog, GCA Corp., Burlington Rd., B e d f o r d , Mass. 01730 9:30 Trace Characterization of Solids by Spark Source Mass Spectrometry. A. J . A h e a r n , National Bureau of S t a n d a r d s , W a s h i n g t o n , D. C. 20234 10:00 Spark Source Mass Spectrograph^ as an Analytical Tool in the Metals Industry. F. D. Leipziger, C. A. Evans, Jr., K e n n e c o t t Copper Corp., Lexington, Mass. 10:40 Applications of Solid Mass Spectrography in the Elec­ tronics and Semiconductor Industries. W. L. H a r r i n g t o n , RCA Laboratories, Princeton, N. J . 11:05 Electrical Detection in Spark Source Mass Spectros­ copy. Harry J . Svec, Iowa State University, A m e s , Iowa 50010

Pittsburgh Conference CHROMOTOGRAPHY AND EMISSION SPECTROSCOPY Tuesday Afternoon

M. Katz, Presiding

2:00 A Radiochemical Approach to the Recovery Studies of Triazines. R. W. Frei, J. R. Duffy, Dalhousie University, Halifax, Canada 2:20 Analytical Liquid Chromatography—The Useful Ap­ proach to Pesticide Analysis. D. F. H organ, Jr., W. A. Dark, and K. J. Bombaugh, Water Associates, Inc., 61 Fountain St., Framingham, Mass. 01701 2:40 Rapid Analysis of 2,4-D and 2,4,5,Τ in Commercial Con­ centrates. J. M. Padmore, F. D. Lutt, University of South Dakota, Vermillion, S. D. 57069 3:00 Analysis of Aromatic Carbamates and Thiocarbamates by Gas Chromatography. W. W. Hanneman, J. Benjamin, Kaiser Chemicals Research and Development Laboratory, 1945 Davis St., San Leandro, Calif. 94577 3:40 Analytical Applications of a Source of New Design. Mercedes Leal, Alberto Goldwasser, Marcos Ghiglione, Cen­ tral University, Chemistry School, Caracas, Venezuela 4:00 Application of Silver Membranes in the Spectrographs Analysis of the Major Constituents of Atmosphere Particu­ lates. Manabu Tani, Kentaro Yagome, Japan Center for En­ vironmental Sanitation, Tokyo, Japan, J. Y. Hwang, Boston Spectro-Chemical Laboratories, Boston, Mass. 02146; Yoshikazu Hashimoto, Saburo Yanagisawa, Keio University, Tokyo, Japan 4:20 Characterization of the Regional Atmosphere by Ele­ mental Ratios. Y. Hashimoto, S. Yanagisawa, Keio Uni­ versity, Tokyo, Japan, J. Hwang, Boston Spectro-Chemical Laboratories, Boston, Mass. 02146; K. Yagome, Japan Center for Environmental Sanitation, Tokyo, Japan 4:40 Development of Analytical Standards for Electrolytically Refined Copper. N. N. Linde, W. M. Tuddenham, Kennecott Copper Corp., Salt Lake City, Utah; J. P. Kapetan, Western Electric Co., Inc., Chicago, III.; A. A. DiLeonardi, Kennecott Refining Corp., Baltimore, Md. 5:00 Rapid Determination of Nickel and Cadmium in NickelCadmium Electrode Materials by X-Ray Emission. W. A. Rowe, S. Kamat, A. S. Brar, Gould-National Batteries, Inc., 2630 University Ave., S. E., Minneapolis, Minn. 55414

SPECTROSCOPIC ANALYSIS OF GLASSES AND OXIDES Tuesday Afternoon D. H. Lemmon, Presiding 2:00 Critical Factors in the Atomic Absorption Determination of Chromium in High-Alkaline-Earth Refractories. W. O. Passmore, P. B. Adams, Corning Glass Works, Corning, Ν. Υ. 14830 2:20 Effect of Crystal Structure on the Infrared Lattice Spec­ tra of Some Rare Earth Mixed Oxides. N. T. McDevItt, Wright-Patterson Air Force Base, Ohio 45433; J. McCaffrey, University of Dayton, Dayton, Ohio 45409 2:40 Barium Carbonate-Boric Acid, An Advantangeous Flux for Decomposing Refractory Materials for Trace Alkali and Alkaline-Earth Analysis by Flame Spectrometry. W. 0. Passmore, D. E. Campbell, Corning Glass Works, Corning, Ν. Υ.14830 3:00 The Assay of Oxides and Other Mixtures by Accurate Automatic Spectrophotometry. W. J. Price, P. Johns, M. H. Pattison, Pye Unicam, Ltd., York St., Cambridge, England 3:40 Studies on the Scope of Analytical Applications of X-Ray Excited Optical Emission Spectra. E. L. DeKalb, V. A. Fassel, Iowa State University, Ames, Iowa 50010 4:00 Analysis of Materials by Cathodoluminescence Spectra Excited in an Electron Microprobe. R. N. Kniseley, F. C. Laabs, V. A. Fassel, Iowa State University, Ames Iowa 50010

ASTM—COMMITTEE E-2 EMISSION SPECTROSCOPY General Meeting (Open to All Conferees) Tues., March 4 4:30 to 5:00 pm

MASS SPECTROMETRY Tuesday Afternoon

ATOMIC ABSORPTION Tuesday Afternoon

J. Hunter, Presiding

2:00 Flame Emission and Atomic Absorption Spectroscopy of Boron in Several Flame Mixtures. F. J. Feldman, Instru­ mentation Laboratory, Inc., 113 Hartwell Ave., Lexington, Mass 02173 2:20 The Analysis of Sodium, Potassium, Calcium, and Mag­ nesium in Silicate Materials by Atomic Absorption Spec­ troscopy. R. B. Muter, West Virginia University, 219 Mineral Industries Bldg., Morgantown, W. Va. 26506 2:40 Rhodium Determination by Atomic Absorption Spec­ trometry Using Nitrous Oxide-Acetylene Flame. M. G. Atwell, J. Y. Hébert, United Aircraft Research Laboratories, Silver Lane, East Hartford, Conn. 06108 3:00 The Determination of Arsenic by Atomic Absorption Spectroscopy. L. Capacho-Delgado, Bausch & Lomb, Inc., 635 St. Paul St., Rochester, Ν. Υ. 14602 3:40 An Inferential Method for the Determination of Sulfur in Fuel Oil Using the Schoniger Oxygen Flask and Atomic Ab­ sorption Spectroscopy. H. W. Lautenbacher, H. W. Baker, Temple University, 3223 N. Broad St., Philadelphia, Pa. 19140 4:00 Practical Considerations in the Atomic Absorption De­ termination of Arsenic. G. P. Thomas, Gary Instruments, 2724 S. Peck Rd., Monrovia, Calif. 91016 4:20 Atomic Absorption Analysis of Samples of High Solids Content. Jane Schallis, George Peterson, William Barnett, Perkin-Elmer Corp., Main Ave., Norwalk, Conn. 06852. 4:40 Serum Iron Determination by Atomic Absorption Spec­ troscopy. D. C. Czernikowski, S. D. Rains, Bausch & Lomb, Inc., 635 St. Paul St., Rochester, Ν. Υ. 14602 5:00 Solvent Extraction in the Presence of Emulsion Forming Insoluble Matter—Application to the Atomic Absorption De­ termination of Gold. T. E. Green, S. L. Law, U. S. Bureau of Mines, College Park, Md. 20740

M. E. Kenny, Presiding

2:00 The Analysis of Carbon in Sodium by Spark Source Mass Spectrometry. E. Berkey, W. M. Hickman, Westinghouse Research Laboratories, Pittsburgh, Pa. 15235 2:20 Small Sample Preparation and Analysis by Spark Source Mass Spectrometry. W. G. Dunn, P. M. Maslona, R. L. Steiner, Eastman Kodak Co., Rochester, Ν. Υ. 14650 2:40 Simultaneous Trace Element Determinations in a New NBS High-Purity Gold (SRM 685) by Isotope Dilution Spark Source Mass Spectrometry. Robert Alvarez, P. J. Paulsen, D. E. Kelleher, National Bureau of Standards, Washington, D. C. 20234 3:00 Improvements in Quantitative Analysis by Electrical Detection Spark Source Mass Spectrometry. R. A. Bingham, R. Brown, P. Powers, GEC-AEI Scientific Apparatus Div., Man­ chester, England 3:40 A Programmed Mass Spectrometer System Providing Simultaneous Readout of Several Permanent Gases. E. J. Barry, H. U. D. Wiesendanger, William Kneen, Electronic Associates, Inc., 4151 Middlefield Rd., Palo Alto, Calif. 94303 4:00 Metastable Scanning and Its Use in Structural Analysis. J. R. Chapman, T. R. Kemp, W. A. Wolstenholme, GEC-AEI Electronics Ltd., Manchester, England 4:20 A Discussion of the Hitachi Perkin-Elmer Model RMS-4 Mass Spectrometer. A. H. Struck, Perkin-Elmer Corp., Main Ave., Norwalk, Conn. 06852 4:40 Progress in the Use of the Ion Microprobe Mass Ana­ lyzer for the Isotopic Microanalyses of Solids. C. F. Robin­ son, C. A. Anderson, H. J. Roden, Applied Research Labora­ tories, Inc., 95 La Patera Lane, Goleta, Calif.

WEDNESDAY, MARCH 5 OPTICAL EMISSION INSTRUMENTATION AND APPLICATIONS Wednesday Morning

W. A. Gordon, Presiding

9:00 Determination of Carbon and Phosphorus in Low Alloy and Carbon Steels with a Direct Reading Air Path Spec­ trometer. C. H. Anderson, A. W. Seideman, Applied Research Laboratories, P. O. Box 129, Sunland, Calif. 91040 VOL. 4 1 , NO. 2, FEBRUARY 1969

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Pittsburgh Conference 9:20 Vacuum Spectrometric Analysis of Resulfurized Steel. J . T. Rozsa, F. E. Wall, Republic Steel Corp., 6801 Brecksville Rd., Cleveland, Ohio 44131 9:40 A New, High Repetition Source Unit and Its Application to Cast Iron Analysis. T. R. Sanger, A p p l i e d Research Lab­ oratories, Wingate Rd., L u t o n , Bedfordshire, England; M. Sewell, Sheepbridge Engineering Co., Chesterfield, England; C. H. A n d e r s o n , A p p l i e d Research Laboratories, 95 La Patera Lane, Goleta, Calif. 10:00 Point-to-Point Determination of Magnesium in Ductile Iron. J. R. B o y d , Clow Corp., C o s h o c t o n , Ohio 43812 10 ::40 Solid Sample Aerosol Generator and Capillary Arc and Capillary Arc Spectroscopic Source. J . L. Jones, R. L. Dahlq u i s t , A p p l i e d Research Laboratories, 95 La Patera Lane, Goleta, Calif. 11:00 Plasma-Arc Alloy Analysis Using Ultrasonic Nebulization. J. H. M u n t z , Wright-Patterson Air Force Base, Ohio 45433 11:20 Spectrochemical Analysis of a Superplastic Alloy. T. S. Long, IBM Systems D e v e l o p m e n t Div., Rochester, Min­ nesota 55901 11:40 Spectrochemical Method for the Analysis of Miscellane­ ous Materials. R. C. Gabier, Jr., M. J. Peterson, U. S. Bureau of Mines, College Park, M d . 20740 12:00 Emission S p e c t r o g r a p h s Analysis of Flyash and Coal Ash Using the ARL Spectrographic Analyzer-Computer As­ sisted Data Reduction. R. L. Stenger, Jr., Coal Research B u r e a u , West Virginia University, M o r g a n t o w n , W. Va. 25606

LIQUID CHROMATOGRAPHY—GENERAL Wednesday Morning

E. W. Albaugh, Presiding

9:00 A New Gradient Elution Chromatograph. K. J . B o m b a u g h , R. N. K i n g , A. J . C o h e n , Waters Associates, Inc., 61 Fountain St., F r a m i n g h a m , Mass. 01701 9:20 Optimization of Column Operating Parameters in Liquid Chromatography. M. T. Dixon, P. G. Bird, F. Kabot, Pye U n i c a m Ltd., York St., C a m b r i d g e , England 9:40 High Speed Ion Exchange Chromatography. N o r m a n Adler, Arthur D. Little, Inc., 15 Acorn Park, C a m b r i d g e , Mass. 02140 10:00 Theoretical and Experimental Work Performed on a High Efficiency LC System. F. R. M a c D o n a l d , Varian A e r o g r a p h , 2700 Mitchell Dr., Walnut Creek, Calif. 94598 10:40 Performance and Applications of a High Speed Liquid Chromatograph. H. R. Felton, E. I. d u P o n t de N e m o u r s & Co., W i l m i n g t o n , Del. 19898 11:00 Techniques for High Performance Liquid Chromatog­ raphy with Controlled Surface Porosity Supports. J. J . K i r k l a n d , E. I. d u P o n t de N e m o u r s & Co., Experimental Sta­ t i o n , W i l m i n g t o n , Del. 19898 11:20 Porous Silica Beads—A Highly Versatile Material for Chromatography. K. J . B o m b a u g h , W. A. Dark, D. F. Horg a n , Jr., R. F. Levangie, Waters Associates, Inc., 61 Fountain St., F r a m i n g h a m , Mass. 01701 11:40 Microcolumn Liquid Chromatography Separations of Polycyclic Aromatic Hydrocarbons. J. O. Frohliger, U n i ­ versity of P i t t s b u r g h , P i t t s b u r g h , Pa. 15213; Horacio Alvarez, Universidad de Buenos Aires, Buenos Aires, Argentina 12:00 A Liquid Chromatographic Method for the Separation and Identification of Additives to Polymers. W. A. Dark, D. F. Horgan, Jr., K. J. B o m b a u g h , Waters Associates, Inc., 61 Fountain St., F r a m i n g h a m , Mass. 01701

SYMPOSIUM ON A N A L Y T I C A L T E C H N I Q U E S ON THE HORIZON Wednesday Morning

J. J. McGovern, Presiding

9:00 New Techniques in Scanning Electron Microscopy. R. E. Ogilvie, Massachusetts I n s t i t u t e of Technology, C a m ­ bridge, Mass. 9:40 Analytical Implications of Ion Cyclotron Resonance Spectroscopy. J . M. S. Henis, M o n s a n t o Co., 800 N. Lindberg Blvd., St. Louis, Mo. 63166 10:40 Photoelectron Spectroscopy. D. M. Hercules, Mas­ s a c h u s e t t s I n s t i t u t e of Technology, C a m b r i d g e , Mass. 11:20 The Laser Renovation of Raman Spectroscopy. J. L. Koenig, Case Western Reserve University, Cleveland, Ohio 44106 44 A

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INFRARED SPECTROSCOPY Wednesday Morning

R. A. Friedel, Presiding

9:00 Infrared Spectrum of Malonic Acid in the Solid State. L. A. Cosby, G. L. H u m p h r e y , West Virginia University, Mor­ g a n t o w n , W. Va. 26506 9:20 Vibrational Spectra of Single Crystals of Acetonitrile. Y. Makawa, R. J. J a k o b s e n , Battelle Memorial I n s t i t u t e , C o l u m b u s , Ohio 43201; J . W. Brasch, University of M a r y l a n d , College Park, M d . 20742 9:40 Utilization of Low T e m p e r a t u r e Infrared Spectroscopy in the Characterization of Some Crystalline Organic Com­ pounds of Biological Significance—Amino Acids and Simple Polypeptides. W. R. Feairheller, Jr., J. E. Miller, Jr., M o n s a n t o Research Corp., 1515 Nicholas Rd., Dayton, Ohio 45407; J . E. K a t o n , M i a m i University; F. F. Bentley, Wright-Patterson Air Force Base; F. S. Parker, New York Medical College 10:00 Vibrational Spectra of Sulfoxide Complexes. C. V. Berney, J. H. Weber, University of New H a m p s h i r e , D u r h a m , Ν. Η. 03824 10:40 Lattice Vibrations of Phosphonium Bromide and the Barrier to Torsional Oscillation. J. R. Durig, D. J. A n t i o n , C. B. Pate, University of South Carolina, C o l u m b i a , S. C. 29208 11:00 T h e Low Frequency Vibrational Spectra of Monochlorosubstituted Monocarboxylic Acids. J. E. K a t o n , M i a m i U n i ­ versity, Oxford, Ohio 45056; F. F. Bentley, Wright-Patterson Air Force Base, Ohio 45433 11:20 C — C = N Deformation Mode Frequency. Study of Sol­ vent Effect. S. S. Mitra, S. K. M e n d i r a t t a , University of Rhode Island, K i n g s t o n , R. I. 02881 11:40 Infrared Absorption and Emission Spectra of Some Common Flames. K. E. Stine, R. J. M a n n i n g , M. Galassi, B e c k m a n I n s t r u m e n t s , Inc., 2500 Harbor Blvd., Fullerton, Calif. 92634 12:00 Near-Infrared Spectrophotometric Determination of Moisture in Liquid Chlorine. J . A. M c K o w e n , J . R. Parker, PPG Industries, P. O. Box 191, New Martinsville, W. Va. 26155

STEEL A N D METAL ANALYSIS Wednesday Afternoon

W. A. Straub, Presiding

2:00 The Determination of Carbon in Organic Films on Steel Surfaces. W. R. Lee, L. L. Lewis, General Motors Research Laboratories, 12 Mile and M o u n d Rd., Warren, M i c h . 48090 2:20 Determination of Metallurgically Dissolved Nitrogen in Aluminum-Killed Low Carbon Steels by Hydrogen Hot Ex­ traction. T. R. Dulski, R. M. Raybeck, Jones & Laughlin Graham Research Laboratory, 900 A g n e w Rd., P i t t s b u r g h , Pa. 15230 2:40 Rapid Spectrophotometric Determination of Boron in Steel. Om P. Bhargava, W. Grant Hines, Steel C o m p a n y of C a n a d a , Ltd., Wilcox St., H a m i l t o n , Ontario, Canada 3:00 Determining Size Distribution of Oxides in Steel by Halogen-in-Organic-Solvent Extraction Coulter Counter M e a s u r e m e n t . D. A. F l u n c h b a u g h , B e t h l e h e m Steel Corp., Homer Research Laboratories, B e t h l e h e m , Pa. 18016 3:40 A Standard for the Trace Determination of Oxygen, Car­ bon, and Nitrogen in Metals, Cadmium Hydrogenhydroxyethylethylenediaminetriacetate. A. J . Dukat, J . L. Marley, Nuclear Materials a n d E q u i p m e n t Corp., L e e c h b u r g , Pa. 15656 4:0J Chemical Microstandards. D. H. Freeman, National Bureau of Standards, W a s h i n g t o n , D. C. 20234 4:20 Determination of Total Hardness in Water. J. S. Fritz, J . Sickafoose, Martha S c h m i t t , Iowa State University, A m e s , Iowa 50010 4:40 Chromium Boride as an Electrochemical Générant for Titrations with Chromium(VI). K. S. Fletcher I I I , T h e Foxboro Co., 38 Neponset Ave., Foxboro, Mass. 02035 5:00 Extraction of Indium with Capric Acid. M. T a n a k a , N. N a k a s u k a , H. Y a m a d a , Nagoya University, C h i k u s a - k u , Nagoya, Japan

GAS CHROMATOGRAPHY—GENERAL Wednesday Afternoon

R. Blaustein, Presiding

2:00 Identification and Elimination of Contaminants in a High Sensitivity Gas Chromatographic System. H. D. Downs, J . E. Purcell, R. D. C o n d o n , Perkin-Elmer Corp., Main Ave., Norwalk, C o n n . 06852

Pittsburgh Conference 2:20 Preconditioned Packings for Use in Gas Chromatog­ raphy. R. F. Kruppa, R. S. Henly, D. L. Smead, S. A. Wil­ liams, Applied Science Laboratories, 135 N. Gill St., State Col­ lege, Pa.16801 2:40 Response Characteristics of the Melpar Flame Photo­ metric Detector. H. W. Grice, M. L. Yates, D. J. David, Tracor, Inc., Austin, Texas 78721 3:00 Integration Accuracy with Digital Integrators. L. Mikkelsen, Hewlett-Packard Co., Rt. 41 and Starr Rd., Avondale, Pa.19311 3:40 Gas Chromatographic Analysis of Reactive Gases. R. M. Bethea, Texas Technological College, Lubbock, Texas; M. C. Meador, Celanese Chemical Co., Pampa, Texas 4:00 Determination of Traces of Amine Salts in Water by Gas Chromatography. G. R. Umbreit, R. E. Nygren, A. J. Testa, Greenwood Laboratories, Chadds Ford, Pa. 19317 4:20 Detection of Tertiary Amines by an Alkali FID. C. H. Hartmann, Varian-Aerograph, 2700 Mitchell Dr., Walnut Creek, Calif. 94598 4:40 Performance and Applications of an Ultrasonic Detec­ tor for Gas Chromatography. H. W. Grice, D. J. David, Tracor, Inc., Austin, Texas 78721

SSP AWARD SYMPOSIUM Wednesday Afternoon

J. K. Scanlon, Presiding

SPECTROSCOPY SOCIETY OF PITTSBURGH 1969 AWARD 2:00 Presentation of Award, J. K. Seanlon, Chairman, Spectros­ copy Society of Pittsburgh TO VELMER A. FASSEL, IOWA STATE UNIVERSITY, AMES, IOWA AWARD ADDRESS: NEW DEVELOPMENT ON THE ANALYTICAL APPLICATIONS OF INDUCTION COUPLED PLASMAS. 3:30 Observations on Optical Illumination Systems in Spectrochemical Analysis. Marvin Margoshes, National Bureau of Standards, Washington, D. C. 20234 4:00 Development of a Universal Quantitative Procedure for Spectrometric Analysis. W. A. Gordon, NASA-Lewis Re­ search Center, Cleveland, Ohio44135 4:30 A Theoretical and Experimental Study of Internal Stand­ ardization in Analytical Emission Spectroscopy. W. B. Barnett, R. N. Kniseley, Iowa State University, Ames, Iowa, 50010

INFRARED AND RAMAN SPECTRA Wednesday Afternoon

J. Grasselli, Presiding

2:00 Automated Analysis of Polymer Films by Infrared Spec­ troscopy. C. E. Walker, S. M. Baker, Gulf Research & De­ velopment Co., 9009 W. 67th St., Merriam, Kansas 66202 2:20 An Improved Infrared Method for Measuring Structure and Orientation in Polymers. L. E. Wolfram, Jeannette Grasselli, Standard Oil Co., 4440 Warrensville Center Rd., Cleve­ land, Ohio 44128; J. L. Koenig, Case Western Research Uni­ versity, Cleveland, Ohio 44106 2:40 Infrared Spectroscopic Measurement of the Glass Transition Temperature. B. J. Bulkin, F. T. Prochaska, Hun­ ter College of the City University of New York, 695 Park Ave., New York, Ν. Υ. 10021 3:00 Correlation of Substituent Effects with Absorptions by Aromatic Halogen Compounds in the 1000-250 c m - 1 Region. J. S. Swinehart, Perkin-Elmer Corp., Main Ave., Norwalk, Conn. 06852 3:40 Correlation of Carbonyl Vibrational Frequencies with Molecular Orbital Bond Orders. Ν. Β. Colthup, American Cyanamid Co., 1937 W. Main St., Stamford, Conn. 06904 4:00 Raman: The Complementary Tool to Infrared for Struc­ tural Analysis. H. J. Sloane, C. J. McAllister, Cary Instru­ ments, 2724 S. Peck Rd., Monrovia, Calif. 91016 4:40 The Raman Spectra of Alkyl Disulfides. R. M. Bly, Chevron Research Co., P. O. Box 1627, Richmond, Calif. 94802

SOCIETY FOR A P P L I E D S P E C T O R S C O P Y Governing Board M e e t i n g Wednesday, March 8—8 pm THURSDAY, MARCH 6 S P E C T R O P H O T O M E T R Y METHODS Thursday Morning

J. P. McKaveney, Presiding

9:00 Carminic Acid and Quinalizarin as Reagents for the Spectrophotometry Determination of Submicrogram Amounts of Boron in Acetic Acid-Sulfuric Acid M e d i u m . H. K. L. G u p t a , D. F. Boltz, Wayne State University, Detroit, M i c h . 48202 9:20 The Ultraviolet Spectrophotometric Determination of Selenium by the 1-Pyrrolidinecarbothioate Method. R. W. Looyenga, D. F. Boltz, Wayne State University, Detroit, M i c h . 48202 9:40 The Effect of Acid Concentration and Other Factors on the Determination of Silicon in M a g n e s i u m . A. L. B r u e n e m a n , J . R. Prall, N a t i o n a l Lead Co., P. O. Box 39158, Cincin­ nati, Ohio 45239 10:00 Spectrofluorimetric Determination of Submicrogram Amounts of Silver(l). M. T. El G h a m r y , St. Mary's University, Halifax, Nova Scotia, C a n a d a ; R. W. Frei, Dalhousie Univer­ sity, Halifax, Canada 10:40 Indirect Spectrophotometric and Atomic Absorption Spectrometric Methods for the Determination of Cyanide. R. S. Danchik, D. F. Boltz, Wayne State University, Detroit, M i c h . 48202 11:00 Spectrophotometric Determination of Thiocyanate. J. C. Guyon, R. E. Neas, University of Missouri, C o l u m b i a , Mo. 65201 11:20 The Simultaneous Determination of N i t r i t e - N i t r a t e Using Ultraviolet Spectrophotometry. Louis H a d d a d , J. C. MacDonald, Fairfield University, Fairfield, C o n n . 11:40 Determination of Zinc Pyrithione by Chelate Exchange. B. L. Kabacoff, C. M. Fairchild, Revlon Research Center, 945 Zerego Ave., Bronx, Ν. Υ. 10473

CHROMATOGRAPHY—GENERAL Thursday Morning

V. F. Gaylor, Presiding

9:00 The Chromatographic Determination of Trace Amounts of Carbon in Steel. L. C. Ikenberry, L. L. Steele, Armco Steel Corp. Research Center, Middletown, Ohio 45042 9:20 Modified Development Techniques for Thin Layer Chroma­ tography. H. S. Hirsch, R. H. Kopp, Brinkmann Instruments, Inc., Cantiague Rd., Westbury, Ν. Υ. 11590 9:40 Quantitative TLC-Reflectance Techniques. M. Karl Brandt, Brandt Associates, Inc., 2018 Naamans Rd., Wilming­ ton, Delà. 10:00 Quantitative Thin Layer Chromatography Using Diffuse Reflection and Ultraviolet Fluorescence Scanning Techniques. R. W. Yost, R. D. Conlon, Nester/Faust Manufacturing Corp., 2401 Ogletown Rd., Newark, Delà. 10:40 Comparison of Integration Methods for Biomedical Gas Chromatography. G. L. Feldman, A. S. Windeler, Maureen Maude, Institute of Ophthalmology, Baylor University College of Medicine, Houston, Texas 77025 11:00 The Analysis of Bayer Liquor by a Gas ChromatographMass Spectrometer Combination. W. W. Hannaman, Kaiser Chemicals Research and Development Lab., 1945 Davis St., San Leandro, Calif. 94577; L. H. Smithson, Varian Assoc, Palo Alto, Calif. 94303 11:20 Automatic Chromatograph Operation by a Local Programmer. R. K. Andrews, R. J. Hunt, F. Kabot, Pye Unicam Ltd., Cambridge, England 11:40 Plateau Elution Chromatography. Raymond Annino, Foxboro Co., Neponset Ave., Foxboro, Mass. 02035

SYMPOSIUM—COMPUTER INTERFACING WITH ANALYSIS Thursday Morning

J. A. Petrocelli, Presiding

9:00 Digital Computers in Chemical Instrumentation. S. P. Perone, Purdue University, Lafayette, Ind. 47907 9:45 Interfacing the Chromatograph to the Computer. Frederick Baumann, D. L. Wallace, L. G. Brenden, Varian-Aerograph, 2700 Mitchell Dr., Walnut Creek, Calif. 94598 VOL. 4 1 , NO. 2, FEBRUARY 1969

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45 A

Pittsburgh Conference 10:30 Real Time Analysis Using a Small Scale Computer Sys­ tem. S. E. Sunderand, Goodyear Tire & Rubber Co., 142 Goodyear Blvd., Akron, Ohio 44316 11:15 Use of Special Purpose Hardware at the Analyzer to Provide a More Practical Approach to Laboratory Computer Systems. J. M. Cotton, M. C. Simmons, Infotronics Corp., 7800 Westglen Dr., Houston, Texas 77042

INSTRUMENTATION AND TECHNIQUE—MAINLY INFRARED Thursday Morning

F. A. Miller, Presiding

8:40 Procedures for Testing Performance of a Raman Spec­ trometer. H. J. Sloane, H. S. Haber, Cary Instruments, 2724 S. Peck Ave., Monrovia, Calif. 91016 9:00 Single Photon Spectroscopy as a New Analytical Technique in Chemistry. J. J. Muray, CINTRA/Physics International Co., Mt. View, Calif. 94040 9:20 Quantitative Analyses of Trace Constituents Via Microwave Spectrometry. J. T. Funkhouser, J. E. Oberholtzer, Arthur D. Little, Inc., 15 Acorn Park, Cambridge, Mass. 02140 9:40 Dual Beam Fourier Transform Spectroscopy. M. J. D. Low, New York University, University Heights, New York, Ν. Υ. 10453 10:00 Conversion of a Commercial Far-Infrared Interferometric Spectrometer from Single-Beam to Double-Beam Operation. R. C. Milward, Research and Industrial Instruments Co., London, S.E. 26, England 10:40 Refractive Index of Organic Liquids in the Region of 200 to 700 cm1. S. S. Mitra, S. Κ. Mendiratta, University of Rhode Island, Kingston, R. I. 02881 11:00 New Internal Reflection Techniques, Including Micro Sampling and Long Wavelength Studies. P. A. Wilks, Jr., Wilks Scientific Corp., South Norwalk, Conn. 06856; G. L. Carlson, Mellon Institute, Pittsburgh, Pa. 11:20 Infrared Goniometer for Precise ATR Measurements. A. C. Gilby, Wilks Scientific Corp., 140 WaterSt., South Norwalk, Conn. 06856 11:40 Infrared Spectrochemical Analysis Using Pseudo Matrix Isolation (PMI) Spectroscopy. Μ. Μ. Rochkind, Bell Tele­ phone Laboratories, Inc., Murray Hill, N. J.

METHODS FOR ACID AND HALOGEN COMPOUNDS Thursday Afternoon

J.Alexander, Presiding

2:00 Determination of Chemical Properties of Solution Using Apparent Number Average Molecular Weight. M. E. Eberling, F. J. Vetrovec, D. T. Jeter, Jr., Coleman Instruments, Div. Perkin-Elmer Corp., 42 Madison Ave., Maywood, III. 60153 2:20 Micro-Ozonjzer: An Apparatus for Ozonolysis. Nicholas Pelick, Supelco, Inc., P.O. Box 628,146 S. Water St., Bellefonte, Pa. 16823 2:40 Solution Standardization by Buffer Reaction. J. B. Davis, Myra Goforth, Winthrop College, Rock Hill, S. C. 3:00 Analysis of Mixtures of Acetic, Nitric, and Hydrofluoric Acids. H. G. Griffin, Jr., W. E. Sonia, Jr., Texas Instruments, I n c , P. O. Box 5012, Mail Station 913, Dallas, Texas 75222 3:40 Colorimetric Analysis of Reactive Gases Using Syringe Sampling Techniques. R. M. Bethea, Texas Technological College, Lubbock, Texas; M. C. Meador, Celanese Chemical Co., Pampa, Texas 4:00 Automatic Steam Distillations of Fluoride into Small Volumes. R. F. Bohlander, National Lead Co. of Ohio, P. O. Box 39158, Cincinnati, Ohio 45239 4:20 Determination of Iodide in Mixtures Containing Mercury by Potentiometric Titration. Irving Levy, General Electric Co., Cleveland, Ohio 4:40 Spectrophotometric Determination of Halides with Cobalt (II) in Acetone. J. F. Reed, J. I. Watters, Ohio State Univer­ sity, Columbus, Ohio 43210

THERMAL METHODS Thursday Afternoon

A. G. Sharkey, Jr., Presiding

2:00 The Identification and Determination of Niobium Carbide and Nitride in Steel by DTA-EGA. George Krapf, W. R. Bandi, E. G. Buyok, L. M. Melnick, U. S. Steel Corp., 125 Jamison Lane, Monroeville, Pa. 15146 46 A ·

ANALYTICAL CHEMISTRY

2:20 The Use of Simultaneous and Combined Thermal Tech­ niques to Study the Thermal Oxidation-Reduction of Pal­ ladium. H. G. Wiedemann, Mettler Instruments A.G., Greifensee, Switzerland; H. P. Vaughn, Mettler Instrument Corp., Princeton, N.J.08540 2:40 Use of DTA for Determination of Stored Energy Levels in Metals Resulting from Cold Work. C. E. Locke, S. J. Thorn­ ton, D. L. Yenawine, Tracor, Inc., Austin Texas 78721 3:00 The Simultaneous Correlation of Visual and Enthalpic Effects of Selected Phase Transformations. H. P. Vaughan, Mettler Instrument Corp., Princeton, N. J. 08540 3:40 Pressure-Atmosphere Effects and Anomalies in Differen­ tial Thermal Analysis. Paul Garn, University of Akron, Akron, Ohio 44304 4:00 Design and Application of a High Pressure DTA Sample Holder. C. E. Locke, Tracor, Inc., Austin, Texas 78721 4:20 A New Design of Micro Sample DTA Apparatus and Its Application. A. Yamamoto, K. Yamada, J. Akiyama, T. Okino, Shimadzu Seisakusho, Ltd., Scientific and Industrial Div., Kyoto, Japan 4:40 Characterization of Glycol-Modified Epoxy Resins by TMA and ETA. T. J. Gedemer, McGraw-Edison Power Systems Div., South Milwaukee, Wis. 53172

COBLENTZ SOCIETY SYMPOSIUM COMPUTERS AND SPECTROSCOPY: PARTNERS IN PROGRESS Thursday Afternoon

R. E. Kagarise, Presiding

1:30 Introductory Remarks. F. J. Bentley, Wright-Patterson Air Force Base, Ohio Presentation of the 1969 Coblentz Award. F. F. Bentley, Presi­ dent, The Coblentz Society, Inc. to GIUSEPPE ZERBI, NATIONAL RESEARCH COUNCIL OF ITALY, MILAN, ITALY 1:45 PAPER BY GIUSEPPE ZERBI 2:50 Some Experience with a Real-Time Computer in the Laboratory. R. 0. Crisler, Procter & Gamble Co., Ivorydale Technical Center, Cincinnati, Ohio 45217 3:50 Computer Languages and the Spectroscopist. R. S. McDonald General Electric Co., Schenectady, Ν. Υ. 4:30 A Computer Program Exchange Library for Analytical Chemists. J. G. Karohl, Perkin-Elmer Corp., Main Ave., Norwalk, Conn. 06852

CIRCULAR DICHROISM A N D NONSPECTROSCOPIC INSTRUMENTS A N D TECHNIQUES Thursday Afternoon

E. S. Hodge, Presiding

2:00 A New System for Recording Circular Dichroism. D. P. Sproul, Durrum I n s t r u m e n t Corp., 3950 Fabian Way, Palo Alto, Calif. 94303 2:20 Measurement of Magnetic Circular Dichroism on a Modi­ fied Cary 60 Spectropolarimeter. J . J. D u f f i e l d , A. A b u S h u m a y s , S. H e d e l m a n , Cary I n s t r u m e n t s , 2724 S. Peck Rd., Monrovia, Calif. 91016 2:40 A Far Ultraviolet Circular Dichroism Measuring Instru­ ment. A. Mason, M. Lu, B e c k m a n I n s t r u m e n t s , 2500 Harbor Blvd., Fullerton, Calif. 92634 3:00 VPO Measurements to 50,000 M n . F. J. Vetrovec, M. E. Ebeling, D. T. Jeter, Coleman I n s t r u m e n t s , Div. Perkin-Elmer, 42 Madison St., Haywood, III. 60153 3:40 Automatic Particle-Size Analyzer. R. J . Gibbs, University of California, Los Angeles, Calif. 90024 4:00 An Instrument for Automatic and Continuous Surface Tension Measurements with Its Application. S o l o m o n J a r m e l l , Fisher Scientific Co., 711 Forbes Ave., P i t t s b u r g h , Pa. 15219 4:20 An Automatic Viscosity Timer. D. E. Burge, Wescon Co., P. O. Box 695, Cupertino, Calif. 95014 4:40 Recent Improvements in the Design and Performance of Constant-Temperature Water Baths and Circulators. H. H. A p t , B r i n k m a n n I n s t r u m e n t s , Cantiague Rd., Westbury, Ν. Υ. 11590

Pittsburgh Conference FRIDAY, MARCH 7 ORGANIC AND POLYMER ANALYSIS Friday Morning

F. P. Byrne, Presiding

9:00 The Analysis of Cured Fiber Glass Reinforced Polyester Laminates. C. C. Luce, Molded Fiber Glass Research Co., 4826 Benefit Ave., Ashtabula, Ohio 44004 9:20 The Analysis of Commercial Urethane Coatings. V. A. Laubersheimer, Sherwin-Williams Research Center, 10909 Cottage Grove Ave., Chicago, III. 60628 9:40 A New Oxidative Pyrolysis System for Rapid Determination of Total Sulfur in Hydrocarbons by Microcoulometry. R. J. Joyce, R. T. Moore, M. E. Riddle, Dohrmann Instruments Co., 1062 Linda Vista Ave., Moutain View, Calif. 94040 10:00 A New and Rapid Method for Total Sulfur in Hydrocarbons and Water by IVIicrocoulometric Titration of H.S. L. D. Wallace, Arco Chemical Co., 1900 Crescent Ave., Anaheim, Calif. 92803; R. T. Moore, R. J. Joyce, J. A. McNulty, Dohrmann Instruments Co., 1062 Linda Vista Ave., Moutain View, Calif. 94040 10:40 A Direct Comparison of the Pregl, Dumas, Perkin-Elmer, and Hewlett-Packard Carbon-Hydrogen-Nitrogen Procedures. C. E. Childs, E. B. Henner, Parke-Davis and Co., Ann Arbor, Mich., Holland, Mich. 11:00 Determination of Hydroquinone by Potentiometric Titration. A Proposed Standard Method of Assay. R. C. Schlitt, Keith Simpson, J. C. Winfrey, Signal Oil & Gas Co., P. O. Box 5008, Houston, Texas 77012 11:20 Fluorescent Analysis of Phenol and 2,4-Dichlorophenol in the Low ppb Range. H. F. Smith, D. S. Kullbom, Perkin-Elmer Corp., Main Ave., Norwalk, Conn. 06852 11:40 Metal-Chloroperbenzoic Acid as a Reagent for the Déterminât on of Unsaturation. E. Gipstein, Frank Nichik, J. A. Offenbach, International Business Machines, Inc., East Fishkill Laboratory, Hopewell Junction, Ν. Υ. 12533

ELECTROCHEMICAL METHODS OF ANALYSIS Friday Morning

C. Wilson, Presiding

9:00 Electrochemical Analysis of Multicomponent Systems. M. R. H a c k m a n , J . B. Flato, Princeton A p p l i e d Research Corp., P. 0 . Box 565, Princeton, N. J . 08540 9:20 Streaming Current Detector: Analytical Application to Surface Area Determination of Silver H a l i d e . M. J. M a n ­ ning, W. E. Gray, Jr., Polaroid Corp., 730 M a i n St., C a m b r i d g e , Mass. 02139 9:40 A Trace 0 2 Analyzer Based on the New Hersch Coulometric Cell. B. A. D e n e n b e r g , S. L. Barrows, A n a c o n , Inc., 62 U n i o n St., A s h l a n d , M a s s . 01721 10:00 New Pyrolysis Systems for the Microcoulometric Deter­ mination of Minor and Trace Amounts of Nitrogen in Solids. R. J . Joyce, R. T. Moore, M. E. Riddle, D o h r m a n n I n s t r u m e n t s Co., 1062 Linda Vista, M o u t n a i n View, Calif. 94040 10:40 A Constant Current Coulometer for Automated Serial Analyses. T. H. Clarke, J . S. Brown, Fisher Scientific Co., 711 Forbes Ave., P i t t s b u r g h , Pa. 15219 11:00 Separability and Resolvability in Constant-Amplitude Pulse Polarography. D. D. Gilbert, N o r t h e r n Arizona Univer­ sity, Flagstaff, Ariz. 86001 11:20 A Reference Electrode for Electrochemical Studies in Fused Equimolar N a P 0 3 - K P 0 3 . R. D. C a t o n , Jr., University of New Mexico, A l b u q u e r q u e , N. M.; C. R. Wolfe, W e s t i n g h o u s e Electric Corp., Churchill B o r o u g h , P i t t s b u r g h , Pa. 15235 11:40 Electrode Potential and Chronopotentiometric Investiga­ tions in Molten Equimolar N a P D 3 - K P 0 3 . C. R. Wolfe, West­ i n g h o u s e Electric Corp., Churchill B o r o u g h , P i t t s b u r g h , Pa. 15235; R. D. C a t o n , Jr., University of N e w Mexico, A l b u q u e r ­ q u e , Ν. Μ.

COMPUTER INTERFACING W I T H Friday Morning

ANALYSIS

10:00 On-Line Computer Methods for Area-Allocation of U n resolved Chromatograph Peaks. J . F. M u l d o o n , L. A. D a h m , Electronic Associates, Inc., 185 M o n m o u t h Parkway, West L o n g B r a n c h , N. J . 07764 10:40 Relative Elution T e m p e r a t u r e in Gas Chromatography: A Digtizer-lntegrator-Computer System. H. J . D u t t o n , A. E. J o h n s t o n , N o r t h e r n Regional Research Laboratory, 1815 North Peoria, III. 61604; J . A. Massa, I n f o t r o n i c s Corp., H o u s t o n , Texas 11:00 A New Rapid Carbon Analyzer for Computer Control Applications. B. R. B o y d , W. C. Whelchel, A n g s t r o m , Inc., P. O. Box 256, Belleville, M i c h . 48111 11:20 Real-Time Handling of 64 Analytical Instruments in a Computational Time-Sharing Environment. Engelbert Ziegler, Max-Planck I n s t i t u t f u r K o h l e n f o r s c h u n g , M u e l h e i m / Ruhr, West Germany 11:40 Automated Structure Elucidation of Several Kinds of Organic Compounds. S. Sasaki, Miyagi University of Educat i o n , J a p a n ; H. A b e , T o h o k u University, Katahira, J a p a n ; Y. K u d o , S. Ochiai, M. S a k a m o t o , N. Irieda, Y. Ishida, J a p a n Electron Optics Laboratory, A k i s h i m a , T o k y o , Japan

SYMPOSIUM ON T H E APPLICATIONS OF SELECTIVE ION ELECTRODES Friday Morning

R. Burd, Presiding

9:00 Fluoride Ion Activity Electrodes. G. Farrah, A l u m i n u m Co. of A m e r i c a , New K e n s i n g t o n , Pa. 15068 9:30 The Application of a Specific Ion Electrode to Boron Det e r m i n a t i o n . R. F. Carlson, J . L. Paul, University of Calif o r n i a , Davis, Calif. 10:15 Ionized Calcium Determined by Ion Exchange Electrodes. E. W. Moore, Lemuel S h a t t u c k Hospital, B o s t o n , M a s s . 02130 10:45 Applications of the Sulfide Selective-Ion Electrode, J . H. Mancy, School of Public H e a l t h , University of M i c h i g a n , A n n Arbor, M i c h . 11:15 Direct Determination of Fluoride in Miscellaneous Fluoride Materials Using the Orion Fluoride Electrode. R. T. Oliver, A. G. Clayton, Alcoa Research Laboratories, P. O. Box 772, New K e n s i n g t o n , Pa. 15068

GENERAL ANALYSIS Friday Afternoon

D. J. Kadavy, Presiding

2:00 Further Spectral Evidence of a Stereochemical Bias in Rigid Para-Nitrophenyl Cyclopropanes. L. A. Strait, L. Martinelli, R. G. K e t c h a m , M. K. Hrenoff, University of California 2:20 Organic Emission Spectra in Flames. M. L. Parsons, J . K r o e t e n , Arizona State University, T e m p e , Ariz. 85281. 2:40 A New Concept in Counter Current Separation Techniques. R. H. K o p p , B r i n k m a n n I n s t r u m e n t s , Inc., Cantiague R d . , W e s t b u r y , Ν. Υ. 11590 3:00 Applications of a Low T e m p e r a t u r e RF Reactor. M. E. Ebeling, J o h n Grach, C o l e m a n I n s t r u m e n t s , Div. Perkin-Elmer Corp., 42 M a d i s o n Ave., M a y w o o d , III. 60153 3:40 T h e Evaluation of a New Spherical Low Density Ceramic Material for Fractional Distillation Packing Materials. Ν. Τ. Costellucci, N. C. K r o u s k o p , P i t t s b u r g h Corning Corp., 800 Pesque Isle Dr., P i t t s b u r g h , Pa. 15239 4:00 A Study of Concentration and Color Difference Interaction. C. A. L e r m o n d , J . A. Callahan, B a u s c h & L o m b , I n c . , Roch­ ester, N . Y . 14602 4:20 Computerized Calibration Gas Blending. J . E. Harrell, Jr., R. F. Weimer, Air Products a n d C h e m i c a l s , Inc., A l l e n t o w n , Pa. 4:40 Applications of Cylinder Gases and Calibration Mixtures in Analysis Systems. H. G. Gill, S. W. Olear, Precision Gas Products, Inc., P. O. Box 538, L i n d e n , N. J . , a n d P. O. Box 1146, LaHabra, Calif.

L. B. Cousins, Presiding

9:00 A Computerized System for Gas Chromatography. Brad­ ley Dewey I I I , Digital E q u i p m e n t Corp., M a y n a r d , M a s s . 01754 9:20 Data Acquisition f r o m an I B M 1800 C o m p u t e r - G a s Chroma­ tographic System. A. J . R a y m o n d , D. M. G. Lawrey, S u n Oil Co., P. O. Box 426, Marcus Hook, Pa. 19061 9:40 Acquisition a n d Processing of GC Data for T i m e Share Calculât on. R. L. Little, A. L. B u d d , B e c k m a n I n s t r u m e n t s , Inc., 2500 Harbor Blvd., Fullerton, Calif. 92634

THERMAL METHODS Friday Afternoon

J. Koenig, Presiding

2:00 An Evolved Gas Analysis Technique for Measuring Vola­ tilities. F. T. Eggersten, E. E. Seibert, F. H. Stross, Shell Development Co., Emeryville, Calif. VOL. 4 1 , NO. 2, FEBRUARY 1969

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47 A

Pittsburgh Conference 2:20 The Pyrotector: A New Thermal Analysis Instrument. A. C. Stapp, D. W. Carle, Carle Instruments, Inc., 1141 E. Ash Ave., Fullerton, Calif. 92631 2:40 A Precision Automated Thermometric Titration Calorim­ eter. P. Watts, J. J. Christensen, R. M. Izatt, Tronac, Inc. and Brigham Young University, Provo, Utah 3:00 Standardization of Dilute Ferrous Solutions by Thermo­ metric Titration Calorimetry. R. M. Izatt, H. J. Christensen, H. D. Johnston, Λ W. Richards, Brigham Young University, Provo, Utah 3:40 Recording Cubic Dilatometer. G. W. Miller, Jr., E. I. duPont de Nemours & Co., Wilmington, Del. 19898 4:00 Surface Area Measurement Using a Modular Gravimetric Adsorption System. C. J. Williams, Cahn Div., Ventron Instru­ ments Corp., 7500 Jefferson St., Paramount, Calif. 90723

COMPUTER INTERFACING WITH ANALYSIS Friday Afternoon

J. Beaseley, Presiding

2:00 Quantitative Analysis Using a Computer Controlled High Resolution NNIR Spectrometer. J. N. Shoolery, L. H. Smithson, Varian Associates, 611 Hanson Way, Palo Alto, Calif. 94303 2:20 An Instrument Data System for the Measurement of Epi­ taxial Film Thickness. Ron Compton, AI Roddan, Beckman Instruments, Inc., 2500 Harbor Blvd., Fullerton, Calif. 92634 2:40 Improved Spectrometer Sensitivity by Computer Ensem­ ble Averaging. R. E. Anderson, R. I. Bystroff, R. G. Gutmacher, Lawrence Radiation Laboratory, Livermore, Calif. 94550 3:00 A New Analytical UV-Visble Spectrophotometry System for the Methods of Kinetic Reactions. N. Shifrin, Beckman Instruments, Inc., 2500 Harbor Blvd., Fullerton, Calif. 92634 3:40 A Nondispersive X-Ray Emission System with an On-Line Computer. F. W. Chamber, IBM, Thomas J. Watson Research Center, P. O. Box 218, Yorktown Heights, Ν. Υ. 10598

4:00 Two Approaches (Hardware and Solfware) to Automation of an X-Ray Spectroscopy System. Wolfgang Ritzert, Sie­ mens, Karlsruhe, W. Germany 4:20 A Simplified Approach to Ore Analysis Using an On-Stream X-Ray Analyzer and a Digital Computer. A. H. Smallbone, R. Lathe, Applied Research Laboratories, P. 0. Box 129, Sunland, Calif. 91040 4:40 A Versatile Remote Console for Instrument/Computer Tie-In. D. A. Burns, W. C. Bass, Abbott Laboratories, North Chicago, III.

SELECTIVE ION ELECTRODES P. Coulter, Presiding

Friday Afternoon

2:00 Selectivity Studies on Liquid-Membrane Electrodes, K. Srinivasan, G. A. Rechnitz, State University of New York, Buffalo, Ν. Υ. 14214 2:20 Direct Measurement vs. Potentiometric Titration with Selective Ion Electrodes. Clark Westcott, Theron Johns, Beckman Instruments, Inc., 2500 Harbor Blvd., Fullerton, Calif. 92634 2:40 Recent Developments in the Field of Ion-Selective Elec­ trodes. Erno Pungor, Klara Toth, University of Chemical Industries, Veszprem, Schonherz Z. u. 12, Hungary 3:00 Use of New Solid State Ion-Selective Electrodes for Titra­ tions of Copper, Lead, and Cadmium. J. W. Ross, Jr., M. S. Frant, Orion Research, Inc., Cambridge, Mass. 3:40 Electrochemical Sensor for Dissolved Ammonia in Water. C. H. Beebe, Allen Strickler, Beckman Instruments, Inc., 2400 Harbor Blvd., Fullerton, Calif. 92634 4:00 Ion-Selective Electrodes of the Second Kind. G. M. Farren, Coleman Instiuments, 42 Madison St., Maywood, III. 60153 4:20 Measurement of Blood pH, Sodium, and Potassium with Glass Electrodes and a New Electrometric Instrument. W. L. Carruth, R. W. Negus, W. R. Williams, Cary Instruments, 2724 S. Peck Rd., Monrovia, Calif. 91016

EXPOSITION OF MODERN LABORATORY EQUIPMENT Cleveland, Ohio The Exposition of the Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy will be held at the Cleveland Convention Center. The Exposition will be open t o all interested persons without charge ACE GLASS, INC. P. O. Box 688 Vineland, N. J. 08360 Exhibiting: New photochemical appa­ ratus including power supply, lamps, and reaction vessels; Wheeler spinning band column; Instatherm, the modern way of heating glassware ; complete line of threaded glassware and assorted glassware for the analytical chemist. ACE SCIENTIFIC SUPPLY CO., INC. 1420 East Linden Ave. Linden, N. J. 07036 Exhibiting: AQV-50 automatic spectro­ photometer, E E L atomic absorption spec­ trophotometer, Hughes metering pumps, QV-50 UV-visible spectrophotometer with circular dichroism, optical rotatory dis­ persion, and flow dichroism accessories, Servomex portable oxygen analyzer. 48 A ·

ANALYTICAL CHEMISTRY

ADVANCED METALS RESEARCH CORP. 149 Middlesex Turnpike Burlington, Mass. 01803

WM. AINSWORTH, INC. 2151 Lawrence St. Denver, Colo. 80205 Exhibiting: Automatic weighing system with printout, analytical balances, re­ cording balance system, T G A - D T A sys­ tem.

AIR PRODUCTS & CHEMICALS, INC. 733 West Broad St. Emmaus, Pa. 18049 Exhibiting: Gaseous chemicals; cali­ brating gas mixtures; gas handling and regulating equipment; catalogs and tech­ nical data sheets.

ALLEN-BRADLEY CO. 1201 S. Second St. Milwaukee, Wis. 53204 ALLIED CHEMICAL CORP. 40 Rector St. New York, Ν. Υ. 10006 Exhibiting: Laboratory reagents and fine chemicals. ALOE SCIENTIFIC Brunswick Corp. 1831 Olive St. St. Louis, Mo. 63103 AMERICAN BOOK CO.—VAN NOSTRAND, REINHOLD 55 Fifth Ave. New York, Ν. Υ. 10003 Exhibiting:

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