High-pressure liquid chromatographic ass
โ
Tsun-Ming Chen; Lester Chafetz
๐
Article
๐
1981
๐
John Wiley and Sons
๐
English
โ 363 KB
๐ 1 views
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