Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.

研究了以二胺和硬脂酰氯为原料制双硬脂酰胺的反应,讨论了原料配比、反应间、反应温度的影响。

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.

介绍由二胺四亚甲(EDTMP)和水解聚马来(HPMA)组成的锅炉水处理剂E—M配方及其应用实例。

A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid (EDTA) was set up.

建立用二胺四(EDTA)络合滴定法测定异辛镍中镍含量的方法。