A simple and precise reversed-phase HPLC procedure for the simultaneous determination of rutin and benzocaine in suppositories is proposed. The chromatographic conditions were: Apex ODS column; methanol-10mM triethylamine aqueous solution pH 3.0 (57:43, v/v) as the mobile phase; detection wavelength, 270 nm. Calibration curves were linear at concentration ranges 6.0 mug ml(-1)-14.0 mug ml(-1) and 1.5 mug ml(-1)-3.5 mug ml(-1) for rutin and benzocaine, respectively. The reproductibility was 1.05% and 0.95% for rutin and benzocaine, respectively.
机构:
Univ Alcala de Henares, Fac Ciencias, Dept Quim Analit, Madrid 28871, SpainUniv Alcala de Henares, Fac Ciencias, Dept Quim Analit, Madrid 28871, Spain
Escarpa, A
González, MC
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机构:
Univ Alcala de Henares, Fac Ciencias, Dept Quim Analit, Madrid 28871, SpainUniv Alcala de Henares, Fac Ciencias, Dept Quim Analit, Madrid 28871, Spain
机构:
Univ Alcala de Henares, Fac Ciencias, Dept Quim Analit, Madrid 28871, SpainUniv Alcala de Henares, Fac Ciencias, Dept Quim Analit, Madrid 28871, Spain
Escarpa, A
González, MC
论文数: 0引用数: 0
h-index: 0
机构:
Univ Alcala de Henares, Fac Ciencias, Dept Quim Analit, Madrid 28871, SpainUniv Alcala de Henares, Fac Ciencias, Dept Quim Analit, Madrid 28871, Spain