Analytical Division Meets for Five Days Joint symposia scheduled for 138th ACS meeting at New York September 11 to 16 C e v e r a l joint sessions with other divi^ sions are scheduled by t h e Divi sion of Analytical Chemistry at the 138th National Meeting of the ACS to be held a t New Y o r k September 11 to 16. I n addition to 6 general sessions, there are 4 symposia. One dealing with recent advances in analytical chem istry will be held jointly with t h e Divi sion of Chemical E d u c a t i o n . A sym posium on analytical methods for food additives and pesticide chemicals will be held with t h e Division of Agricul tural and Food Chemistry. A symposium on application of in frared spectroscopy to special chemical problems will be sponsored jointly with t h e Division of Physical Chemistry. T w o divisional sponsored symposia re late to x-ray absorption and emission in analytical chemistry and magnetic reso nance methods for analysis and charac terization.
T h e divisional b a n q u e t will be held on Wednesday evening, September 14 at the Majors Cabin r e s t a u r a n t , 33 West 33rd St., New Y o r k . T h e dinner speaker will be D r . Glenn W . Gliddings, General Electric Co., who will discuss " T h e Role of I n d u s t r y in E d u c a t i o n . " T h e divisional business meeting will be held on W e d n e s d a y afternoon a t t h e conclusion of the technical sessions.
Monday Morning and Afternoon General Symposium on Recent Advances In Analyti cal Chemistry Symposium on Analytical Methods for Food Additives and Pesticide Chemicals (P.M. only)
Tuesday Morning and Afternoon
W . D. Cooke, Presiding
9:55 10:10 10:40 11:00
11:20
Thursday Morning and Afternoon Symposium on Application of Infrared Spec troscopy to Special Chemical Problems
Friday Morning and Afternoon
Symposium on X-Ray Abstorption and EmisGeneral
11:40
Introductory Remarks. W. D. Cooke, Cornell Univer sity. Acid-Base Equilibria and Titrations in Concentrated Salt Solutions. I. Theory. Donald Rosenthal, J. S. Dwyer, University of Chicago. Acid-Base Equilibria and Titrations in Concentrated Salt Solutions. II. Practical Applications. Donald Rosenthal, J. S. Dwyer, University of Chicago. Behavior of Substituted Aromatic Acids in Selected Nonaqueous Solvents. R. R. Miron, Lehigh University; D. M. Hercules, Marietta College. Coulometric Titration of Fluoride in Acetic Anhydride. W. B. Mather, Jr., F . C. Anson, California Institute of Technology. Coulometry with the Carbon Black Electrode. J. D . Voorhies, S. M. Davis, American Cyanamid Co. Electrochemistry of Dissolved Gases. II. Reduction of Oxygen at Platinum and Other Metal Electrodes. D. T. Sawyer, L. V. Interrante, University of California. Electrolysis with Constant Potential. Reversible and Irreversible Processes at a Hanging Mercury Drop Electrode. Irving Shain, University of Wisconsin; K. J. Martin, Rohm and Haas Co.; J. W. Ross, Massachusetts Institute of Technology. Second Harmonic Alternating Current Polarography with a Reversible Electrode Process. D. E. Smith, W. H. Reinmuth, Columbia University.
Chronopotentiometry of o-Nitrophenol. Intermediate Chemical Reaction in Stepwise Reduction. A. C. Testa, W. H. Reinmuth, Columbia University.
Monday Morning SECTION Β
General
General
9:35
Symposium on Magnetic Resonance Methods for Analysis and Characterization Business Meeting (P.M. only)
Wednesday Evening
SECTION A
9:20
General
Divisional Dinner—Speaker: Dr. Glenn W . Gliddings, General Electric Co. Topic: The Role of Industry in Education
Monday Morning
9:05
Wednesday Morning and Afternoon
Condensed Program
PROGRAM
9:00
Symposium on Analytical Methods for Food Additives and Pesticide Chemicals
C. N. Reilley, Presiding 9:00
Introductory Remarks. C. N . Reilley, University of North Carolina. 9:05 Theory of Gas Chromatography. Plate Theory and Its Application to the Nonlinear Adsorption Isotherm. M. A. Robinson, A. S. Said, Beckman Instruments, Inc. 9:25 Prediction of Retention Temperatures in Programmed Temperature Gas Chromatography. A Descriptive Equation and Computational Method. Robert Rowan, Jr., Esso Research and Engineering Co. 9:45 Minimizing Time and Optimizing Resolution in Gas Chromatography. L. B. Rogers, Massachusetts Insti tute of Technology; C. N. Reilley, University of North Carolina. 10:05 Gas Chromatography Using Chemically Active Solids. J. J. Duffield, Applied Physics Corp.; L. B. Rogers, Massachusetts Institute of Technology. 10:40 Modification of Gas Chromatographic Substrates for the Separation of Aliphatic Diamines. E. D. Smith, R. D. Radford, The Chemstrand Corp. 11:00 Analysis of Spearmint Oils by Gas-Liquid Partition Chromatography. D. M. Smith, Leo Levi, Dept. of Na tional Health and Welfare. 11:20 Automotive Exhaust Gas Analysis by Gas-Liquid Chromatography Using Flame Ionization Detection. R. Feinland, A. J. Andreatch, D . P. Cotrupe, American Cyanamid Co. 11:40 Direct Analysis of Fatty Acids by Gas Chromatog raphy. C. E. Bennett, A. J. Martin, F . W. Martinez, Jr., F & M Scientific Corp. VOL. 32, NO. 9, AUGUST 1960
·
43 A
ACS MEETING PROGRAM SECTION C Symposium on Recent Advances in A n a l y t i c a l Chemistry
NOW TITRATIONS by' AUTOMATION
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44 A
·
ANALYTICAL CHEMISTRY
Presiding
Introductory Remarks. W. H . Reinmuth, Columbia University. Continuous Differential Potentiometric Titration. M . M. Nicholson, Humble Oil and Refining Co. Design of Coulometric and Polarographic Apparatus. G. L. Booman, F . O. Cartan, Phillips Petroleum Co. An Automatic Melting Point Recorder. L. F . Berhenke, T h e Dow Chemical Co. Kinetic Masking in Thermometric Titrimetry. Joseph Jordan, The Pennsylvania State University; E . J. Billingham, Jr., Thiel College. Thermogravimetric Analysis. Temperature Limits and Rate of Heating. Alexandre Berlin, R. J. Robinson, University of Washington. X-Ray Absorption Edge Analysis. H. W . Dunn, Oak Ridge National Laboratory. Inorganic Analysis by Infrared Spectroscopy. The Solid Solution Technique. J. R. Lawson, R. Barnett, Fisk University; H . W. Morgan, Oak Ridge National Laboratory. Spectrophotometric Polarimetric Titrimetry. I. AcidBase Titrimetry with Asymmetric Indicators. II. Polarimetric Titrimetry with Metal Ions and Asymme tric Substances. Stanley Kirschner, D. C. Bhatnagar, Wayne State University. Elimination of Anion Interferences in Flame Spectros copy. A. C. West, W. D. Cooke, Cornell University. Flame Photometry Using Oxycyanogen Flames. J. W. Robinson, Esso Research Laboratories.
Monday A f t e r n o o n SECTION Β General A. M. Wilson, Presiding
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Introductory Remarks. C. E . Bricker, Princeton Uni versity. Precipitation Processes and Precipitation from Homo geneous Solution. Louis Gordon, Case Institute of Technology. Organic Analytical Reagents. F . J. Welcher, Indiana University. The Chelon Approach to Analysis. C. N . Reilley, Uni versity of North Carolina.
Monday A f t e r n o o n SECTION A General
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3:55 4:15 4:30
Introductory Remarks. A. M . Wilson, Wayne State University. The Solvent Extraction of Inorganic Ions with Sur face-Active Agents. A. M. Wilson, L. B . Churchill, Wayne State University. Foam Fractionation of Organic Compounds by Means of Added Foaming Agents. B. L. Karger, L. B. Rogers, Massachusetts Institute of Technology. Bis(di-n-hexylphosphinyl)methane. A New Metal Extractant. J. W. O'Laughlin, C. V. Banks, Iowa State University. Thionin Derivatives in the Extraction and Direct Pho tometric Determination of Boron. Laszlo Pasztor, J . D. Bode, Jones and Laughlin Steel Corp. Countercurrent Extraction of Rare Earth Chelates. G. W. Pope, W. F . Wanger, J. F . Steinbach, University of Kentucky. Extraction of Calcium with 8-Quinolinol. James Katekaru, Henry Freiser, University of Arizona. Homogeneous Precipitation of Aluminum 8-Quinolate. L. C. Howick, University of Arkansas; W . W. Trigg, Arkansas Polytechnic College. Detection and Estimation of Polyoxyethylene Glycol in Nonionic Surfactants by Ascending Paper Chroma-
ACS MEETING PROGRAM
4:45
tography. M. E . Ginn, C. L. Church, Jr., R. L. Evers, Monsanto Chemical Co. Chromatographic Separation of 2,4-Dinitrophenylhydrazine Derivatives of Aliphatic Carbonyl Compounds into Classes, on Magnesia. D . P . Schwartz, O. W. Parks, Mark Keeney, U. S. Department of Agriculture.
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SECTION C Symposium on Recent Advances in Analytical Chemistry (Joint with Division of Chemical
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C. N. Reilley, Presiding 2:00
Introductory Remarks. C. N . Reilley, University of North Carolina. Flame Photometry. D . N . Hume, Massachusetts Insti tute of Technology. Chronopotentiometry. H . A. Laitinen, University of Illinois. Salting-out Chromatography. William Rieman I I I , Rutgers, the State University.
2:10 3:05 4:00
Monday Afternoon SECTION D Symposium on Analytical Methods for Food Additive and Pesticide Chemicals (Joint with Division of Agricultural
and Food
Chemistry)
K. S. Konigsbacher, Presiding 2:00 2:05
2:25
2:45
3:05
3:25 3:45
4:05
4:25
Introductory Remarks. K. S. Konigsbacher, Evans Re search and Development Corp. Chromatographic Separation and Colorimetric Deter mination of Pyrethrin and Piperonyl Butoxide Mix tures. P . T. Allen, H. F. Beckman, J. F . Fudge, Texas Agricultural Experiment Station. Trace Analysis of Pesticide Chemicals by a Combina tion of Gas Chromatography and Infrared Spectropho tometry. Gunter Zweig, T. E. Archer, University of Cal ifornia. Modification of the Rosenthal Method for the Rapid Microdetermination of Kelthane Residues. D . A. George, J. E . Fahey, K. C. Walker, U. S. Department of Agriculture. Procedure for the Microdetermination of l-Butoxy-2(2-Thiocyanoethoxy) Ethane (Lethane 384) with Ap plications for Determination of Residues in Milk and Animal Tissues. C. F . Gordon, L. D . Haines, A. L. Wolfe, Rohm and Haas Co. Determination of Residues of D E F (S,S,S-Tributyl Phosphorotrithioate) D E F o l i a n t . W. W. Loeffler, C. A. Anderson, D. MacDougall, Chemagro Corp. Colorimetric Method for the Determination of D E X O N (/)-Dimethylaminohenzenediazo Sodium Sulfonate) Res idues in Sugar Beets. C. A. Anderson, J. M. Adams, Chemagro Corp. Specific Method for the Detection of Residues of S Y S T O X and its Metabolites in the Presence of Other Organophosphorous Pesticides. J. M. Adams, C. A. Anderson, D . MacDougall, Chemagro Corp. Discussion. Panel of Symposium Participants.
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Tuesday Morning SECTION A Symposium on X-Ray Absorption and Emission in Analytical Chemistry H. A. Liebhafsky, Presiding 9:00 9:05 9:45 10:15 10:30
Introductory Remarks. H . A. Liebhafsky, General Elec tric Co. Absorptiometry with Polychromatic X-Rays. M. C. Lambert, General Electric Hanford Laboratories. X - R a y Absorption-Edge Spectrometry. C. G. Dodd, D. J. Kaup, University of Oklahoma. General Discussion. Some Applications of X - R a y Spectroscopy in Metals Research. B. J. Mitchell, H. J. O'Hear, Union Carbide Metals Co.
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Introductory Remarks. K . S. Konigsbacher, Evans Re search and Development Corp. Fluorometric Determination of Added Pyridoxine in Enriched White Flour and Bread. D . J. Hennessy, Anne Steinberg, George Wilson, William Keaveney, Fordham University. Colorimetric Method for the Determination of 3,5 D i nitro-o-Toluamide (Zoalene) in Chicken Tissues. G. N. Smith, B. J. Thiegs, M . G. Swank, The Dow Chemi cal Co. Colorimetric Method for the Determination of 3Amino-5-Nitro-o-Toluamide (ANOT) in Chicken Tis sues. B. J. Thiegs, G. N . Smith, J. L. Bevirt, The Dow Chemical Co. Turbidimetric Determination of the Extractibility of Polyethylene Food Packaging Film into Vegetable Oil. D. P . Johnson, F . E . Critchfield, Union Carbide Chemi cals Co. Evaluation of Instrumental Techniques for the Analy sis of Trace Constituents. S. Z. Lewin, New York Uni versity. Jane Conner, G. S. Konigsbacher, Evans R e search and Development Corp. Problems of Analytical Methodology Under the Re cent Food Law Amendment. Kenneth Morgareidge, Food & Drug Research Laboratory, Inc. Chemical Problems Encountered in the Administration of the Food Additives Amendment. L. L. Ramsey, FDA, Washington. Discussion. Panel of Symposium Participants. Tuesday A f t e r n o o n SECTION A
Symposium on X-Ray A b s o r p t i o n and Emission in A n a l y t i c a l C h e m i s t r y H. G. Pfeiffer, Presiding
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2 00 X-Ray Emission Spectrography for Trace Determina tions. P . D . Zemany, H . G. Pfeiffer, H . A. Liebhafsky, General Electric Research Laboratory. 2 30 Direct Nickel Analysis in Petroleum by X-Ray at the 0.1-P.P.M. Level. C. C. Hale, W. H . King, Jr., Esso Research and Engineering Co. 3:00 Precision in X-Ray Emission Spectrography. H. G. Pfeiffer, P . D . Zemany, H . A. Liebhafsky, General Elec tric Research Laboratory. 3:30 General Discussion. 3:45 Comparison of X-Ray Emission with Optical Emission Spectrography. R. L. Steiner, Aluminum Co. of 4:15
The Nenn "Kinetic Chtnp'Pump O p e r a t e s b y t h e action o f r a d i a l a r m s successively pressing o n a l o o p o f f l e x i b l e t u b i n g . The mechanism clamps one a r m a g a i n s t the t u b i n g w h i l e t h e n e x t a r m descends t o c l a m p i n g p o s i t i o n . Previous c l a m p i n g a r m t h e n raises t o p e r m i t t u b i n g t o assume its n o r m a l shape a n d a g a i n f i l l w i t h l i q u i d b e i n g m o v e d . S t a n d a r d types o f l a b o r a t o r y t u b i n g i n a w i d e r a n g e o f materials provide a pumping member f o r almost a n y liquid, slurry or g a s . T u b i n g c a n be c h a n g e d q u i c k l y e l i m i n a t i n g necessity o f cleaning p u m p . There is n o d a n g e r o f corrosion or contamination. Pumps c a n b e f u r n i s h e d w i t h m o t o r o r f o r d r i v i n g f r o m l a b o r a t o r y s t i r r i n g m o t o r . W r i t e f o r l i t e r a t u r e a n d prices.
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·
ANALYTICAL CHEMISTRY
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SECTION Β Symposium on A n a l y t i c a l Methods f o r Food A d d i t i v e and Pesticide Chemicals (Joint with Division of Agricultural 2:00 2:05 2:25
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and Food
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K. S. Konigsbacher, Presiding Introductory Remarks. K. S. Konigsbacher, Evans Re search and Development Corp. Determination of D D V P in Air. A. M . Mattson, Geigy Chemical Co. V. A. Sedlak, J. W. Miles, U. S. Public Health Service. Enzymatic Determination of Dibrom Residues and the Simultaneous Determination of Dibrom and Its Cholinesterese-inhibiting Metabolic Product. D . E . Pack, J. N. Osperson, G. K. Kohn, California Spray-Chemical Corp. Discussion. Panel of Symposium Participants.
ACS MEETING PROGRAM Wednesday Morning SECTION A Symposium on Magnetic Resonance Methods for Analysis and Characterization Harlan Foster, Presiding 9:00 Introductory Remarks on Nuclear Magnetic Resonance. Harlan Foster, E . I. du Pont de Nemours and Co. 9:15 Some Recent Structural and Analytical Applications of High Resolution Nuclear Magnetic Resonance. J. N . Shoolery, Varian Associates. 9:50 High Resolution Nuclear Magnetic Resonance Studies of the Fluorine-19 Resonance Effects of Oxygen, Sulfur, and Nitrogen. E. G. Brame, Jr., E. I. du Pont de Nemours and Co. 10:40 Nuclear Magnetic Resonance Chemical Shifts of Nat urally Occurring Carbon-13 in Carbonyl Groups. P . C. Lauterbur, Mellon Institute. 11:15 Quantitative Analysis by High Resolution Nuclear Magnetic Resonance. R. B. Williams, N . F . Chamber lain, Humble Oil and Refining Co.
9:00 9:05 9:25
9:40 9:55 10:10 10:40 10:55
11:10
11:25 11:40
Wednesday Morning SECTION Β General C. M. Gambrill, Presiding Introductory Remarks. C. M . Gambrill, Ethyl Corp. Titration of Mercaptans with Mercury (II). J.S.Fritz, T. A. Palmer, Iowa State College. Amperometric Titration of Sulfhydryl and Disulfide Groups in Biological Materials with Organic Mercury Compounds Using a Rotated Dropping Mercury Indi cator Electrode. Walter Strieks, S. K. Chakravarti, Marquette University. An Evaluation of Analytical Methods for Decaborane. L. J. Kuhns, Callery Chemical Co.; R. S. Braman, Ar mour Research Foundation, J. E. Graham, Koppers Co. A Method to Measure the Stability of Chlorinated I n sulating Liquids. F . P . Byrne, Westinghouse Electric Corp. Titrimetric Determination of Mixtures of Monobutyl-, Dibutyl-, and Orthophosphoric Acids. C. C. White, Hisashi Kubota, Oak Ridge National Laboratory. Spectrophotometric Analysis of Triethylaluminum and Diethylaluminum Hydride. J. H . Mitchen, Ethyl Corp. Automated Method for the Differential Chemical D e terminations of 6-Aminopenicillanic Acid and Various Penicillins. D . J. McLaughlin, John Wilkie, J. M . Kelly, Chas. Pfizer and Co. A Specific Analytical Method for the Determination of Triacetyloleandomycin. N . Conca, H . J. Pazdera, J. Severynse, I. Contant, L. L. Ciaecio, J. M . Kelly, T . C. Grenfell, Chas. Pfizer and Co. Colorimetric Determination of Amprolium. Ε. Ρ Schultz, C. R. Szalkowski, Merck and Co. Assay of 4-Chloro-2-butynyl iV-(3-chlorophenyl) Car bamate ( B a r b a n ) . K. J. Bombaugh, W. C. Bull, Spen cer Chemical Co.
Wednesday Afternoon SECTION A Symposium on Magnetic Resonance Methods f o r Analysis and Characterization Harlan Foster, Presiding 2:00 T h e Application of High Resolution Nuclear Magnetic Resonance Spectroscopy to the Study of the Conforma tion and Stereochemical Configuration of Polymer Chains. F . A. Bovey, G. V. D . Tiers, Minnesota Mining and Manufacturing Co. 2:35 Introductory Remarks on Electron Paramagnetic Res onance. Harlan Foster, E. I. du Pont de Nemours and Co. 2:45 Analysis of the Biochemical and Biological Roles of Free Radicals by Means of Electron Spin Resonance. Barry Commoner, Washington University. 3:55 T h e Use of Electron Paramagnetic Resonance as an Analytical Tool for Studying Rapid Free Radical R e actions. L. H . Piette, Varian Associates. 4:10 Formation and Identification of Unique Radical Sites in Irradiated Amides. E. J. Burrell, E. I. du Pont de Nemours and Co.
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VOL.
32, NO. 9, AUGUST 1960 ·
47 A
ACS MEETING PROGRAM Wednesday Afternoon SECTION Β General R. P. Chapman, Presiding Introductory Remarks. R. P. Chapman, American Cyanamid Co. 2:05 Catalysts for Cerium(IV) Oxidimetry. Determination of Glycerol and Metal Chelates of ,8-Quinolinol. G. G. Guilbault, Princeton University; W. H. McCurdy, Jr., University of Delaware. 2:20 Polarographic Analysis of α,/3-Epoxy Ketones. A. J. Durbetaki, Food Machinery and Chemical Corp. 2:40 Quantitative Determination of Ethylene Epoxide, P r o pylene Epoxide, and Higher Molecular Weight Epox ides Using Dodecanethiol. B. J. Gudzinowicz, Mon santo Chemical Co. 3:00 Microdetermination of Organic Peroxides. A Com parison of Iodometric and Titanous Chloride Reduc tion Methods. T. S. Ma, Terry Gerstein, Brooklyn College. 3:20 The Reduction of grem-Dinitro and Trinitro Compounds with T i t a n i u m ( I I I ) Chloride. M. I. Fauth, G. W. Roecker, U. S. Naval Propellent Plant. 3:45 Detection and Characterization of Alkynes by H y d r a tion to Carbonyl Compounds. J. G. Sharefkin, E. Boghosian, Brooklyn College. 4:00 A New and Rapid Method for Detection of Elements in Organic Compounds. C. A. Glover, C. H . Sloan, Tennessee Eastman Co.; R. H . Anderson, University of Missouri. 4:15 A Rapid Method for the Determination of Carbon and Hydrogen in Organic Compounds. H. S. Haber, K. W. Gardiner, Consolidated Electrodynamics Corp. 4:30 Business Meeting. 6:30 Divisional Dinner. Speaker: Dr. Glenn W. Gliddings, General Electric Co., "The Role of Industry in Educa tion."
4:20
Friday Morning General G. Η. Morrison, Presiding
2:00
9:00 9:05 9:20 9:35
9:50 10:05 10:20
10:45 11:00 11:15 11:30 11:45
Thursday Morning Symposium on Application of Infrared Spectroscopy to Special Chemical Problems (Joint with the Division of Physical
Chemistry)
B. L Crawford, Jr., Presiding 9:00 9:05 9:50 10:35 11:20
Introductory Remarks. B. L. Crawford, University of Minnesota. Problems in Infrared Spectrophotometry. M. K. Wil son, Tufts University. The Shapes of Infrared Absorption Bands. R. N . Jones, Ν. Β. Η. Johnathan, National Research Council of Canada. The Advantages of High Resolution Instrumentation in Practical Infrared Analysis. W. J. Potts, Jr., The Dow Chemical Co. Recent Developments in F a r Infrared Spectroscopy. R. C. Lord, Massachusetts Institute of Technology.
Thursday Afternoon Symposium on Application of Infrared Spectroscopy to Special Chemical Problems (Joint with Division of Physical
Chemistry)
R. C. Lord, Presiding 2:00 2:05 2:50 3:35
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Introductory Remarks. R. C. Lord, Massachusetts In stitute of Technology. Interaction of Infrared Radiation with Inorganic Solids. F . A. Miller, Mellon Institute. Infrared Spectra in Aqueous Solution. E. R. Blout, Harvard Medical School and Polaroid Corp. Infrared Spectroscopy in the Study of Surfaces. R. S. McDonald, General Electric Research Laboratory; R. F . Riley, Polytechnic Institute of Brooklyn. ·
ANALYTICAL CHEMISTRY
The Assignment and Application of Analytical Bands in High Polymer Systems. D. R. Johnson, E. I. du Pont de Nemours and Co.
Introductory Remarks. G. H . Morrison, General Tele phone and Electronics Corp. Quantitative Infrared Analysis of Mixtures of Sodium Tripolyphosphate Phase I and II. W. B. Chess, D. N. Bernhart, Victor Chemical Works. Application of Pyrocatechol Violet as a Colorimetric Reagent for Tin. W. J. Ross, J. C. White, Oak Ridge National Laboratory. Extraction of Tin with Tris(2-ethylhexyl)phosphine Oxide and Its Determination in Nonaqueous Medium with Pyrocatechol Violet. W. J. Ross, J. C. White, Oak Ridge National Laboratory. Photometric Determination of Ammonia. W. T. Bolleter, C. J. Bushman, P. W. Tidwell, Monsanto Chemi cal Co. Spectrophotometric Determination of Traces of Cy anide. K. F. Sporek, M. H . Peek, Bioferm Corp. Background Correction Technique for Direct Deter mination of Niobium, Titanium, and Tungsten with Hydroquinone. J. P . McKaveney, Crucible Steel Co. of America. Analytical Methods for Nitrogen Oxides. I. Polaro graphic Determination of Nitrate as 4-Nitro-2,6-xylenol. A. M. Hartley, D . J. Curran, University of Illinois. The Unusual Polarographic Behavior of Teïlurium(VI) at the Dropping Mercury Electrode. Bruno Jaselskis, J. G. Lanese, University of Michigan. Polarographic Determination of Tin in Stannic Oxide. S. L. Phillips, I B M Research Laboratory. Determination of Water in Ammonium Perchlorate. E. A. Burns, R. F . Muraca, Stanford Research Institute. Indirect Determination of Sulfate by Nonaqueous T i trimetry. Gerald Goldstein, Oscar Menis, D . L. Manning, Oak Ridge National Laboratory.
Friday Afternoon General William Seaman, Presiding 2:00
Introductory Remarks. William Seaman, American Cyanamid Co. 2:20 The Determination of the Surface Area of Calcium Carbonate by Isotopic Exchange. R. B. Hahn, Wayne State University; C. G. Inks, Wyandotte Chemicals Corp. 2:35 Activation Analysis of Thallium Using the 4.2-Minute Thallium-206. J. L. Brownlee, Jr., University of Illinois; C. K. Kim, Korean Atomic Energy Agency; W. W. Meinke, University of Michigan. 2:50 Radiochemical Separations by Amalgam Exchange. Cadmium. J. R. DeVoe, H . W. Nass, W. W. Meinke, University of Michigan. 3:05 Solvent Extraction Methods for Radiochemical Determination of Plutonium, Molybdenum, and Zinc in U r a nium-Fission Product Mixtures. W. J. Maeck, G. L. Booman, M. C. Elliott, J. E . Rein, Phillips Petroleum Co. 3:20 The Determination of the Oxidation States of U r a nium, Neptunium, and Plutonium in Aqueous Media. S. C. Foti, E . C. Freiling, U. S. Naval Radiological Defense Laboratory. 3:45 A Rapid Method for the Estimation of Radiostrontium in Milk. G. A. Welford, D. C. Sutton, U. S. Atomic Energy Commission. 4:00 Ion Exchange Separation of Calcium and Strontium. Application to the Analysis of Total Strontium in Bone. M. A. Wade, H . J. Seim, University of Nevada. 4:15 Automatic Potentiometric Titration of Rare Earths with E D T A . Hisashi Kubota, Oak Ridge National Laboratory. 4:30 Free-Acid Determination Using Cation Exchange Resins. L. O. Gilpatrick, H . F . McDuffie, Oak Ridge National Laboratory. 4:45 Determination of Oxygen in Zirconium and Zircaloy by the Inert Gas Fusion Method. P. Elbling, G. W. Goward, Westinghouse Electric Corp.
