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TEMPERATURE CONTROL FOR LC COLUMNS Temperature control in liquid chromatography has generally been neglected. Improved resolution, efficiency, and precision often result from operation of LC columns at controlled temperatures above ambient.
ANODIZED ALUMINUM HEATING BLOCK (cover removed)
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BIOANALYTICAL SYSTEMS INC. Purdue Research Park 1205 Kent Avenue W e s t Lafayette, IN 47906 (317)463-2505
Advances in HPLC Chairperson: man Inc.
R. M. Jachens, What-
Separation of Free Fatty Acids in Margarine. J. D. Stuart, U of Connecticut Characteristics of a Method to Identify P T H Amino Acids by HPLC. B. G. Archer, Altex Scientific Inc. U s e of Derivatives in the H P L C Analysis of Retinoids and T h e i r Metabolites. C. J. L. Buggé, F. M. Vane, Hoffmann-LaRoche, Inc. Separation of Phospholipid D e rivatives by HPLC. N. Salem, National Institutes of Health Determination of Captopril by HPLC w i t h E l e c t r o c h e m i c a l D e tection. P . Yeh, Squibb Institute for Medical Research Assay for Chlorambucil by H P L C . M. Zakaria, P . Brown, U of Rhode Island Automated Vitamin Assay by H P L C . D. Swafford, Laboratory Data Control Recent Advances in Atomic Absorption Spectroscopy—Flame and Flameless Chairperson: R. G. Schleicher, Instrumentation Labs. Sample Introduction P r o c e d u r e s in Atomic Spectroscopy. R. Browner, A. B o o m and M. S. Black, Georgia Institute of Technology D e v e l o p m e n t of Hydride Generation Methods for Atomic Absorption Spectrometry. W. B. Robbins, Union Camp The D e t e r m i n a t i o n of Calcium in Cement by Internal-Standard Atomic Absorption Spectroscopy. J. Sotera, Instrumentation Laboratory, Inc. Current Environmental Applications of Flame Atomic Absorption. S. Katz, Rutgers U Organic Priority Pollutants by Gas Chromatography P a p e r s to be announced. Infrared and Fourier Transform Infrared Spectroscopy Chairperson: J. J. Elliott, Exxon Research and Engineering Co. Glass-Capillary GC-FTIR. W.
CIRCLE 29 ON READER SERVICE CARD 1154 A • ANALYTICAL CHEMISTRY, VOL. 52,
NO. 1 1 , SEPTEMBER
1980
Ledig, M. Jacobs, J. Waldradt, International Flavor and Fragrances FTIR Studies of Polymer D e g r a dation. B. Bulkin, E. M. Pearce, Brooklyn Polytechnic Institute Infrared Laser Techniques for S t u d y i n g the Mechanism and Dyn a m i c s of Gas Phase Reactions. Ε. Β. Priestley, Exxon Research and Engineering Co. T h e Characterization of Sur faces U s i n g Diffuse Reflection FTIR. F. Smith, Union Carbide
Contemporary Approaches to the Analysis of Polymeric Materials Chairperson: D. J. Freed, Bell Labo ratories Polymer Pyrolysis w i t h Inter faced Fused Silica Capillary Gas C h r o m a t o g r a p h y - M a s s Spectros copy. P. C. Uden, Ju-Li Fan, G. D. Riska, U of Massachusetts Carbon-13 Studies of Polymers. F. C. Schilling, Bell Laboratories T h e Microstructure of Polymers as D e t e r m i n e d by Analytical Pyrol ysis. S. Liebman, Research and Devel opment Center, Armstrong Cork Co. Paper to be announced.
Thursday Afternoon, Nov. 20 Aquatic Environmental Analysis by GC/MS Chairperson: W. Budde, U.S. Envi ronmental Protection Agency Skills Required for Aquatic En vironmental Analysis by G C / M S . D. C. DeJongh, Finnigan Institute Study of the N i a g a r a River Wa tershed. R. Hites, Indiana U Environmental Application of Quantitative G C / M S . B. Colby, Sys tem Science & Software Analysis of T C D D U s i n g G C / M S . M. Gross, U of Nebraska
HPLC of Peptides and Proteins Chairperson: S. Stein, Roche Institute of Molecular Biology High P e r f o r m a n c e Anion E x c h a n g e Chromatography of P r o teins. F. Régnier, G. Vanacek, P u r d u e U Factors Affecting Retention and
