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Adams, University of Kansas. 10:30 Formation of Stable Free Radicals on Electroreduc- tion of iV-alkylpyridinium Salts. W. M. Schwarz, Uni versity of ...
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ACS MEETING PROGRAM

3:10 3:30 3:50 4:10 4:30

4:50 7:00

Chromatography and Colorimetry. Gunter Zweig, University of California. Theory and Equipment for Microcoulometric Gas Chromatography. D. M. Coulson, Stanford Research Institute. Determination of Thiodan in Presence of D D T by the Microcoulometer—Gas Chromatograph. C. C. Cassil. Food Machinery and Chemical Corp. Microcoulometric Gas Chromatography of Pesticides. J. Burke and Loren Johnson, Food and Drug Admin­ istration. Analysis of 2,4-D by Gas Chromatography and Paper Chromatography. George Yip, Food and Drug Ad­ ministration. Gas Chromatographic Analysis of Pesticide Residues Using Electron Affinity Detector. S. J. Clark, Jarrell-Ash Co. General Discussion of Phase. Gunter Zweig, Univer­ sity of California. Demonstration of various types of equipment pre­ viously mentioned in symposium pertaining to the use of gas chromatography, radioisotopes, etc. in pesticide residue and food additive research analysis.

Wednesday Afternoon SYMPOSIUM O N INSTRUMENTAL METHODS OF CELLULOSE AND CELLULOSE DERIVATIVES Joint with Division of Cellulose Chemistry Earl S. McColley, Presiding 2:00

2:30

2:55 3:15 3:50 4:20

Thermal Diffractometer Technique for Study of Struc­ tural Changes in Cellulosic Compounds. J. J. Cicely and C. M. Conrad, Southern Regional Research Labora­ tory. Application of General Spectrochemical Method for Analysis of Plant Products to the Determination of Trace Metals in Cotton and Modified Fibers and Fabrics. R. T. O'Connor, D. C. Heinzelman, and Biagio Piccolo, Southern Regional Research Laboratory. Studies on Viscose Insolubles. Κ. A. Jurbergs, Buck­ eye Cellulose Corp. Analytical and Structural Aspects of Infrared Spec­ troscopy of Cellulose Acetate. F. G. Hurtubise, In­ dustrial Cellulose Research Ltd. Determination of Alkyl Cellulose Ethers by Gas Chromatography. J. G. Cobler, E. P. Samsel, and G. II. Beaver, Dow Chemical Co. Thermal Degradation of Cotton Cellulose. J. B. Berkowitz-Mattack, Arthur D. Little, Inc.

Thursday Morning, September 7 SECTION A SYMPOSIUM O N ELECTROANALYTICAL CHEMISTRY D. H. Geske, Presiding 9:00 9:05

9:50 10:10

10:30

Introductory Remarks. D. II. Geske, Cornell Univer­ sity. E P R Studies of Electrochemically Generated Cation and Anion Radicals in Aqueous Solution. L. Η. Pietlc and P. Ludwig, Varian Associates, and R. N. Adams, University of Kansas. Diffusion and Kinetic Considerations in Electrogeneration and Detection of Free Radicals. D. H. Geske. E P R of Electrochemically Generated Negative Ions of Substituted Nitro-Aromatics in Aqueous Solution. L. II. Pietlc, P. Ludwig, Varian Associates, and R. N. Adams, University of Kansas. Formation of Stable Free Radicals on Electroreduction of iV-alkylpyridinium Salts. W. M. Schwarz, Uni­ versity of Wisconsin, Ε. Μ. Kosower, State University

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NORTON REFRACTORIES

Crystallizing ideas into products Circle No. 7 on Readers' Service Card VOL.

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