1.A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid (EDTA) was set up.
建立用乙二四乙酸(EDTA)络合滴定法测定异辛酸镍中镍含量方法。
2.Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以乙二脂酰氯为原料制备乙撑双脂酰反应,讨论了原料配比、反应时间、反应影响。
3.E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.