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J Chromatogr ; 148(2): 453-7, 1978 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-621264

RESUMO

N,N'-Trimethylene-bis-(pyridinium-4-aldoxime)dibromide, 4-pyridine aldoxime, atropine sulfate, benactyzine hydrochloride, methyl paraben and propyl paraben are separated by ion-pair high-performance liquid chromatography. The method is specific for detecting and quantifying each compound in a complex mixture without solvent extraction or pretreatment. Levels as low as 1 ng on column are quantifiable by the procedure. All components are eluted within 9 min subsequent to the initial injection. Because of the simplicity of the method, the procedure is suitable for routinely monitoring the stability of the various compounds in the formulation during storage.


Assuntos
Parassimpatolíticos/análise , Atropina/análise , Benactizina/análise , Cromatografia Líquida de Alta Pressão , Combinação de Medicamentos , Parabenos/análise , Compostos de Pralidoxima/análise , Trimedoxima/análise
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