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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
School of Pharmacy, Second Military Medical University, Shanghai 200433, China
2.
No.113 Hospital of PLA, Ningbo 315040, China
Received Date: 2001-07-30
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.
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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