Separate determination of chloramines in chlorinated water 双硫腙萃取光度法测定管网水中的余氯
2.
Methods for chemical analysis of aluminium alloys - part 10 : determination of zinc content by dithizone extraction separation - polarographic method 铝合金化学分析方法第10部分:双硫腙萃取分离-极谱法测定锌含量