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Contribution of Membrane Components to the Overall Response of Anion Carrier Based Solvent Polymeric Membrane IonSelective Electrodes 1169
Thin Layer Chromatography with economy size sheets
Ales Hodinâr, Laboratory for Endocrinology and Metabolism, Faculty of Medicine, Charles University at Prague, U Nemocnice 1, Prague, CSSR and Akinori Jyo*, Department of Applied Chemistry, Faculty of Engineering, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860, Japan
Effect of Protein Binding on the High-Performance Liquid Chromatography of Phenytoin and Imirestat in Human Serum by Direct Injection onto Internal Surface Reversed-Phase Columns 1171 Thomas C. Pinkerton*, Terry D. Miller, and Linda J. Janis, Department of Chemistry, Purdue University, West Lafayette, IN 47907
Technical Notes Application of Signal Enhancement by Easily Ionized Elements in Hydride Generation Direct Current Plasma Atomic Emission Spectrometric Determination of Arsenic, Antimony, Germanium, Tin, and Lead 1175 Ian D. Brindle* and Xiao-chun Le, Chemistry Department, Brock University, St. Catharines, Ontario, Canada L2S 3A1
Back-Pressure Regulated Restrictor for Flow Control in Capillary Supercritical Fluid Chromatography 1178 Douglas E. Raynie, Karin E. Markides, Milton L. Lee, and Steven R. Goates*, Department of Chemistry, Brigham Young University, Provo, UT 84602
Detection of Polycyclic Aromatic Hydrocarbons by LowTemperature Phosphorimetry with a Moving Sample Cooling Device 1182 O Size 8 χ 4 cm economical and fast, for reliable results Recommended for routine analyses and in production control Ο Economy size sheets are available as POLYGRAM® or ALUGRAM® (polyester resp. aluminium supports) coated with silica, cellulose and aluminium oxide. Please ask for further information about our TLC plates and sheets.
MACHEREY-NAGEL
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MACHEREY-NAGEL GmbH & Co. KG · P.O. Box 101352 · D-5160 Duren West Germany • Tel. (0 24 21) 6 98-0 · Telex 8 33 893 mana d · Fax (0 24 21 ) 6 6716 Switzerland: MACHEREY-NAGEL AG · P.O. Box 224 · CH-4702 Oensingen Tel. (0 62) 76 20 66 · Telex 9 82 908 mnag ch · Fax (0 62) 76 28 64 CIRCLE 96 ON READER SERVICE CARD 638 A · ANALYTICAL CHEMISTRY, VOL. 6 1 , NO. 10, MAY 15, 1989
Bradley T. Jones, Nancy J. Mullins, and James D. Winefordner *, Department of Chemistry, University of Florida, Gainesville, FL 32611
