1·Ethyl acetate is an excellent solvent and extractant and is an important chemical material too.
乙酸乙酯是性能优良的溶剂、萃取剂和重要的化工原料。
2·Hoping for dibutyl carbitol(DBC)through the dehydration of glycol butyl ether, a new highly effective extractant system for gold with structure similar to DBC was synthesized in this paper.
采用乙二醇单丁醚脱水的方法合成了高效的具有类似二丁基卡必醇结构的新金萃取剂体系，探讨了其合成工艺。
3·The results showed that the proper organic solvent and extractant were sulfonated kerosene and trialkyl phosphine oxide.
结果表明，较合适的溶剂和萃取剂分别为磺化煤油和三烷基氧膦。
4·The separation of azeotrope of methyl ethyl ketone water has been investigated by extractive distillation using the mixture of ethylene glycol and potassium acetate as an extractant.
结果表明乙二醇与醋酸钾的混合物是分离甲乙酮水二元恒沸物的理想萃取剂。
5·Extraction of copper using N902 extractant from hydrochloric acid medium by atomized extraction way was investigated.
用N902萃取剂采用雾化萃取方式对盐酸介质中铜的萃取进行了研究。