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Journal of Liquid Chromatography Volume 5, 1982 - Issue 3
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Original Articles

The HPLC Analysis of Caffeine and Theobromine in Animal Diets

W. Jeffrey Hurst Hershey Foods Corporation, Technical Center, 1025 Reese Avenue Hershey, Pennsylvania, 17033
&
Robert A. Martin Jr. Hershey Foods Corporation, Technical Center, 1025 Reese Avenue Hershey, Pennsylvania, 17033
Pages 585-589 | Published online: 06 Dec 2006

Citations (10)

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Read on this site (4)

J.M. Duthel, C. Mignot & J.J. Vallon. (1990) Dosage Dans Les Urines De La Cafeine Et De Ses Metabolites Xanthiques Monodemethyles Par GC/MS/SIM. Analytical Letters 23:5, pages 799-817.
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J.M. Duthel, C. Mignot & J.J. Vallon. (1989) Extraction Rapide de la Cafeine Urinaire Sur Cartouche C18 Et Dosage Par Chromatographie Gazeuse. Analytical Letters 22:11-12, pages 2627-2636.
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A.P. Pakuts, R.H. Downie & T.I. Matula. (1983) A Rapid HPLC Analysis of Diazepam in Animal Feed. Journal of Liquid Chromatography 6:13, pages 2557-2564.
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R. Klassen & B. Stavric. (1983) HPLC Separation of Theophylline, Paraxanthine, Theobromine, Caffeine and Other Caffeine Metabolites in Biological Fluids. Journal of Liquid Chromatography 6:5, pages 895-906.
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Articles from other publishers (6)

Mayumi Minamisawa, Shoichiro Yoshida & Nobuharu Takai. (2004) Determination of Biologically Active Substances in Roasted Coffees Using a Diode-Array HPLC System. Analytical Sciences 20:2, pages 325-328.
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F. T. Delbeke & M. Debackere. (1991) Urinary excretion of theobromine in horses given contaminated pelleted food. Veterinary Research Communications 15:2, pages 107-116.
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R. Chiou, R.J. Stubbs & W.F. Bayne. (1987) Improved method for the determination of theophylline in plasma and urine using high-performance liquid chromatography. Journal of Chromatography B: Biomedical Sciences and Applications 422, pages 281-287.
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Mohammad Uppal Zubair, Mahmoud M.A. Hassan & Ibrahim A. Al-Meshal. 1986. 71 150 .
R. Hartley, I.J. Smith & J.R. Cookman. (1985) Improved high-performance liquid chromatographic method for the simultaneous determination of caffeine and its N-demethylated metabolites in plasma using solid-phase extraction. Journal of Chromatography B: Biomedical Sciences and Applications 342, pages 105-117.
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. 1984. Chromatography of Alkaloids - Part B: Gas-Liquid Chromatography and High-Performance Liquid Chromatography. Chromatography of Alkaloids - Part B: Gas-Liquid Chromatography and High-Performance Liquid Chromatography 387 414 .

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