According to the result of infra-red spectrophotometric analysis, the method of resin absorption is better than n-butanolextraction. 经红外光谱分析表明，树脂吸附法优于饱和正丁醇萃取法，用分光光度法测定了皂甙含量。
The resin adsorption process for treating sulfanilamide intermediate wastewater was studied. 研究了树脂吸附法处理磺胺中间体生产废水的工艺过程。
