摘要
目的建立测定复合维生素B片中维生素B_6含量的方法。方法采用HPLC法,C_(18)柱(4.6×150mm,5μm);0.04%戊烷磺酸钠溶液(用冰醋酸调节pH值至3.0)-甲醇(85∶15)为流动相;检测波长为291nm。结果维生素B_6在8.33μg·mL~(-1)~83.28μg·mL~(-1)浓度范围内线性关系良好(r=0.9999),平均回收率99.66%,RSD=1.48%。结论本方法简便、准确,重现性好,可用于复合维生素B片的质量控制。
OBJECTIVE To establish a method to determine the content of Vitamin B_6 in Compositae Vitamini B Tablet.METHODS HPLC instrument with C_(18) chromatographic column(4.6×150 mm,5μm) was used.The mobile phase consisted of 0.04% Sodium pentanesulfonate solution:methanol(85∶15),the wavelength for detection was 291 nm.RESULTS The linear ange of Hydrochlorothiazide was 8.33-83.28μg·mL~(-1)(r=0.9999).The average recovery was 99.66% with RSD as 1.48%.CONCLUSION The method is fast,reliable,accurate and can be used in the quality control of Compositae Vitamini B.
引文
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