Volatile Organic Compounds in Water: Gas Chromatography

chemistry 6: 599}626. Bhushan R and Ali I (1987) TLC resolution of constituents of the vitamin B complex. Archives of Pharmacology 320: 1186}1187. DeLeenheer WL and DeRuyter G (1985) Modern Chromatographic Analysis of the Vitamins. New York: Marcel Dekker. Diaz A, Paniagua A and Sanchez F (1993) Thin-layer chromatography and Rberoptic Suorometric quantitation of thiamine, riboSavin and niacin. Journal of Chromatography A 655: 39}43. Linnell JC, Hussein HA-A and Matthews DM (1970) A two-dimensional chromato-bioautographic method for complete separation of individual plasma cobalamins. Journal of Clinical Pathology 23: 820}821. Linnell JC and Bhatt H (1995) Inherited errors of cobalamin metabolism and their management. In: Wickramasinghe S (ed.) Megaloblastic Anaemia: Baillière’s Clinical Haematology} International Practice and Research, pp. 567}601. London: Baillière Tindall. Postaire E, Cisse M, Le Hoang M and Pradeau D (1991) Simultaneous determination of water-soluble vitamins by over-pressure layer chromatography and photodensitometric detection. Journal of Pharmacology Science 80: 368}370. Quadros EV, Hamilton A, Matthews DM and Linnell JC (1978) Isolation of 57Co-cobalamin coenzymes at high speciRc activity from Streptomyces griseus. Journal of Chromatography 160: 101}108. Sherma J and Fried B (1996) Handbook of Thin-layer Chromatography. New York: Marcel Dekker Inc. Stahl E (1969) Thin Layer Chromatography: a Laboratory Handbook. New York: Springer-Verlag. Surmeian M, Ciohodaru G, Ionescu MS and Cosofret VV (1995) Derivative UV-spectrophotometric determination of binary mixtures of procaine hydrochloride with benzoic acid, pyridoxine hydrochloride and 4aminobenzoic acid from pharmaceutical preparations. Revue Roumaine de Chimie 40: 111}117. Tseng M-C, Tsai M-J and Wen K-C (1996) Quantitative analysis of acetominophen, ethoxybenzamide, piroxicam, hydrochlorthiazide, caffeine, chlorzoxasone and nicotinamide, illegally adulterated in Chinese medicinal pills. Journal of Food and Drug Analysis 4: 49}56. Zempleni J, McCormick DB and Mock DM (1997) IdentiRcation of biotin sulfone, bisnorbiotin methyl ketone and tetranorbiotin-1-sulfone in human urine. 65: 508}511.