Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以乙二胺和硬脂酰氯为原料制备乙撑双硬脂酰胺的反
,讨论了原料配比、反时间、反
的影响。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以乙二胺和硬脂酰氯为原料制备乙撑双硬脂酰胺的反,讨论了原料配比、反时间、反的影响。
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.
介绍由乙二胺
亚甲基膦
(EDTMP)和水解聚
(HPMA)组成的锅炉水处理剂E—M配方及其用实例。
A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid (EDTA) was set up.
建立用乙二胺乙(EDTA)络合滴定法测定异辛镍中镍含量的方法。
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