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Simultaneous high-performance liquid chromatographic determination of theophylline, ephedrine hydrochloride, and phenobarbital in tablets

โœ Scribed by Henry S. I. Tan; Prakongsiri C. Booncong; Sharon L. Fine

Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
401 KB
Volume
70
Category
Article
ISSN
0022-3549

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High-pressure liquid chromatographic ass
High-pressure liquid chromatographic assay of theophylline, ephedrine hydrochloride, and phenobarbital tablets
โœ Tsun-Ming Chen; Lester Chafetz ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 363 KB

An innovative high-pressure liquid chromatographic method is described in which theophylline, ephedrine hydrochloride (measured as benzaldehyde), and phenobarbital are determined simultaneously with butabarbital as the internal standard. Chromatographic conditions were selected to afford a pH suffic