METHODS HPLC-ELSD was used to determine astragaloside IV in Buzhong Yiqi Wan(concentrated pills). The separation was performed on C_(8) columna with a mixture of acetonitrile-water( 7∶ ) as mobile phase.
METHODS HPLC-ELSD was used to determine astragaloside IV in Buzhong Yiqi Wan(concentrated pills). The separation was performed on C_(8) columna with a mixture of acetonitrile-water( 7∶ ) as mobile phase.
方法采用高效液相色谱法蒸发光散射检测器测定,A lltech C8色谱柱um(.×0mm),流动相为乙腈-水( 7∶ );