[Determination of ethyl paraben in shengmaiyin oral liquid using gas chromatography].
This paper describes a gas chromatographic method for the determination of preservative--ethyl paraben in shengmaiyin Oral Liquid. The method is simple, rapid and accurate. The recovery is good (99.5%), and the coefficient of variation is 0.288%.
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D000284:Administration, Oral; D002849:Chromatography, Gas; D004365:Drugs, Chinese Herbal / Q000008:administration & dosage / Q000032:analysis*; D010226:Parabens / Q000032:analysis*; D012996:Solutions
D004365:Drugs, Chinese Herbal; D010226:Parabens; D012996:Solutions; C012313:ethyl-p-hydroxybenzoate