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

研究二胺和硬脂酰氯为原料制备撑双硬脂酰胺的反应,讨论原料配比、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.

介绍由二胺四亚甲基膦酸(EDTMP)和解聚马来酸(HPMA)组成的锅理剂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.

建立用二胺四酸(EDTA)络合滴定法测定异辛酸镍中镍含量的方法。