title: [Determination of ethyl paraben in shengmaiyin oral liquid using gas chromatography].
abstract: 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%.
authors.forename: C Y
authors.initials: CY
authors.lastname: Ye
authors.forename: Z Z
authors.initials: ZZ
authors.lastname: Yang
mesh_terms: D000284:Administration, Oral; D002849:Chromatography, Gas; D004365:Drugs, Chinese Herbal / Q000008:administration & dosage / Q000032:analysis*; D010226:Parabens / Q000032:analysis*; D012996:Solutions
chemical_list: D004365:Drugs, Chinese Herbal; D010226:Parabens; D012996:Solutions; C012313:ethyl-p-hydroxybenzoate