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1.
China Pharmacy ; (12)2001.
Article in Chinese | WPRIM | ID: wpr-524858

ABSTRACT

OBJECTIVE:To determine the contents of secnidazole in secnidazol e tablets by RP-HPLC.METHODS:The chromatographic column was VP-ODS C 18 with acetonirile-0.05mol/L potassium dihydrogen phosphate-triethylamine(15∶85∶0.4)as the mobile phase,the detection wavelength was311nm and the flow rate was0.8ml/min.RESULTS:There was a good linear relationship when the sample size was within the range of0.166?g~0.832?g(r=0.9999),the average re?covery was99.84%(RSD=1.05%,n=15).CONCLUSION:The method is simple and accurate,sensible and reproducible,which can be used for the assaying of both the raw materials and preparations and the quality control of secnidazole tablets.

2.
Article in Chinese | WPRIM | ID: wpr-573080

ABSTRACT

AIM: To determine the content of terpenelactones in Yinxingye Soft Capsule(Folium Ginkgo). METHODS: HPLC with Evaporative Light Scattering Detector (ELSD) was established to determine the content of terpenelactones in Yinxingye Soft Capsule. The analysis was carried out on C 18 column. The mobile phase was 1-propanol-THF-water(1∶15∶84). The operating conditions of the ELSD were a nebulizer nitrogen flow-rate of 3.5L?min -1 and an evaporator tube temperature of 115℃. RESULTS: No interference was found in the terpenelactones peak position. The method was simple, with a good linear relationship. The relative standard deviation of reproducibility was 1.04% and the average recovery was 97.1%. CONCLUSION: The method can be used for quality control.

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