乙二胺四乙酸二钠是一种优秀的络合剂。
Disodium ethylenediamine tetraacetate is a good sequesterant.
乙二胺四乙酸二钠，是白色结晶性颗粒或粉末的螯合剂，在染料、食品、药品等工业中有重要用途。
EDTA-2Na is a chelating agent as white crystalline granular or powder. It has important applications in dyestuff food, medicine industry.
一些样品的亚硫酸氢钠引起的一部分，二苯基乙酸解散。
Some samples of sodium bisulfite caused part of the diphenyl-acetic acid to dissolve.
将硫酸氢钠作为由乙二醇单甲醚和乙酸酯化合成乙二醇单甲醚乙酸酯的催化剂。
Sodium bisulfate was used as the catalyst for esterification of ethylene glycol mono-methyl ether and acetic acid to ethylene glycol monomethyl ether acetate.
以二甲氧基乙酸甲酷和乙酸甲酷为主要原料，经甲醇钠催化制备二甲氧基乙酞乙酸甲醋。
A new process has been developed to synthesize dimethoxy methyl acetoacetate with dimethoxyacetic acid methyl ester and methyl acetate in the presence of sodium methanol.
乙二胺四乙酸铁钠为面包中适宜的铁强化剂。
乙二胺四乙酸铁钠和元素羰基铁粉在贮藏过程中变化不大，而硫酸亚铁和柠檬酸铁铵在贮藏过程中绝大部分变成了不溶性铁。
The change of sodium ferric EDTA and carbonyl iron was not great, but most of ferric sulfate and ferric ammonium citrate became insoluble during storage.
研究了以磷酸二氢钠为催化剂，冰乙酸和异丁醇为原料合成乙酸异丁酯，确定了酯化反应最佳条件。
Based on the composition of iso-butyl acetate by using sodium dihydrogen phosphate as catalyst, acetic acid and 2-butanol as raw materials, the optimum conditions were determined.
研究了以磷酸二氢钠为催化剂，冰乙酸和异丁醇为原料合成乙酸异丁酯，确定了酯化反应最佳条件。
Based on the composition of iso-butyl acetate by using sodium dihydrogen phosphate as catalyst, acetic acid and 2-butanol as raw materials, the optimum conditions were determined.
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