This paper introduces a method of mercaptoacetic acid extracted from iso-octyl mercaptoacetate offal liquid substitute mixture of dichlormethane mixed ethyl ether for only ethyl ether.

• 本文介绍从硫氨酯尾液中回收巯基乙酸的过程中以二氯甲烷与乙醚的混合萃取剂替代乙醚作萃取剂的新方法。