Infrared identification of maleic acid in pharmaceutical maleate salts.
作者信息
Brannon W L, Schwartzman G, Levine J
出版信息
J Assoc Off Anal Chem. 1976 May;59(3):680-2.
PMID:1270399
Abstract
Difficulties are encountered in the USP melting point identification test for maleic acid extracted from chlorpheniramine maleate. A general procedure is described for the isolation and infrared identification of the maleic acid moiety of pharmaceutical salts from drug substances or dosage forms. This procedure permits the concurrent infrared identification of the amine moiety.
摘要
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