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LOU Zi-yang, XU Li, WANG Xue-zhao, CHAI Yi-feng. Determination of aminophylline dexamethasone sodium phosphate, diazepam in gaoyuankang capsules by HPLC[J]. Journal of Pharmaceutical Practice and Service, 2001, (6): 352-353.
Citation: LOU Zi-yang, XU Li, WANG Xue-zhao, CHAI Yi-feng. Determination of aminophylline dexamethasone sodium phosphate, diazepam in gaoyuankang capsules by HPLC[J]. Journal of Pharmaceutical Practice and Service, 2001, (6): 352-353.

Determination of aminophylline dexamethasone sodium phosphate, diazepam in gaoyuankang capsules by HPLC

  • Received Date: 2001-07-30
  • To establish a method for determination of three constituents in Gaoyuankang capasules.METHODS A hypersil ODS column with a mobile phase composed of methol-phosphate buffer sulotion(55:45) was used.The detection wavelength was 240nm.RESULTS The linear response range was as follows aminophylline 60~140μg·ml-1(r=0.9995),dexamethasone sodium phosphate 4.8~11.2μg·ml-1(r=0.9993),diazepam 16.8~39.2μg·ml-1(r=0.9998),The recoveries of aminophylline,dexamethasone sodium phosphate,diazepam were 99.3%,99.4%,100.5%.CONCLUSIONS The method is simple,rapid and accurate.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Determination of aminophylline dexamethasone sodium phosphate, diazepam in gaoyuankang capsules by HPLC

Abstract: To establish a method for determination of three constituents in Gaoyuankang capasules.METHODS A hypersil ODS column with a mobile phase composed of methol-phosphate buffer sulotion(55:45) was used.The detection wavelength was 240nm.RESULTS The linear response range was as follows aminophylline 60~140μg·ml-1(r=0.9995),dexamethasone sodium phosphate 4.8~11.2μg·ml-1(r=0.9993),diazepam 16.8~39.2μg·ml-1(r=0.9998),The recoveries of aminophylline,dexamethasone sodium phosphate,diazepam were 99.3%,99.4%,100.5%.CONCLUSIONS The method is simple,rapid and accurate.

LOU Zi-yang, XU Li, WANG Xue-zhao, CHAI Yi-feng. Determination of aminophylline dexamethasone sodium phosphate, diazepam in gaoyuankang capsules by HPLC[J]. Journal of Pharmaceutical Practice and Service, 2001, (6): 352-353.
Citation: LOU Zi-yang, XU Li, WANG Xue-zhao, CHAI Yi-feng. Determination of aminophylline dexamethasone sodium phosphate, diazepam in gaoyuankang capsules by HPLC[J]. Journal of Pharmaceutical Practice and Service, 2001, (6): 352-353.

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