Determination of methyl hydrochloride in shangfeng

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Effect of high-performance epidemic situation on testing machine industry Determination of methylephedrine hydrochloride and Chlorphenamine Maleate in shangfengyou cold liquid by liquid chromatography

shangfengyou cold liquid is an anti cold drug, and its effective components are potassium guaiacol sulfonate, paracetamol, caffeine, chlorphenamine maleate and methylephedrine hydrochloride. The content determination of Hainan Provincial Drug Standard (1993 edition, 1997 supplement [1] stipulates that potassium guaiacol sulfonate and p-acetaminophen are important railway key base phenols in southern Mongolia. The content of caffeine will depend on the national science and technology plan in the future. The content is small, and the chromatographic behavior should have effective cooling facilities

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