A sansitive method of determination for VRT by second derivative convolution voltammetry was developed. The method was applied for the determination of VRT in injection and urine with satisfactory results.

• 建立了二阶导数卷积伏安法测定的新方法 ,并将此法应用于维脑路通注射液及模拟尿样中维脑路通的测定。