This work established the derivative ultraviolet absorption spectroscopy determination of sulfadiazine(SD),sulfamerhoxazole(SMZ) and trimethoprim(TMP) in multi-component sulphonamide reagent.

• 作者建立了同时测定联磺制剂中磺胺嘧啶(SD)，磺胺甲基异唑(SMZ)和甲氧苄氨嘧啶(TMP)三组分含量的导数紫外分光光度法。