The selectivity of extractant is high and only Au, Pd , Hg ete. are extracted.

该萃取剂选择性高,它仅萃取Au 、 Pd和Hg等几种元素.

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An extractant - screening method with a vapor - liquid equilibrium apparatus in the extractive distillation was introduced.

介绍了萃取精馏萃取剂的一种实验筛选方法,汽液平衡仪直接法.

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The distribution coefficient D indicated: Ethyl acetate was the most suitable extractant for CGA s purification.

萃取分配系数D测定结果表明,醋酸乙酯是纯化绿原酸的适用溶剂.

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The complex extraction process of epoxied was investigated as the extractant and as the diluent.

采用络合萃取法提取稀溶液中的丙酸,研究了络合萃取及反萃取的工艺条件.

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Cyanex 272 is a new generation extractant for separation of from Ni in sulphate solution.

Cyanex272是新一代在硫酸盐溶液中分离钴、镍的萃取剂.

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This method uses water containing a demulsifier an extractant , titration is carried out in aqueous solution.

这种方法使用环境友好的化学试剂,不会对环境和人造成伤害.

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P 204 was used as extractant and sulfonated kerosene was used as thinner in the experiment.

实验用P204做萃取剂,用磺化煤油做稀释剂.

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Objective To evaluate in vitro antibacterial activity of Galla Chinensis ethanol extractant against S . epidermidis.

目的观察五倍子乙醇提取物对表皮葡萄球菌的体外抗菌活性.

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With diethyl malonate as the extractant, the condition of extracting gold the electronic scrap was studied.

研究了采用萃取剂丙二酸二乙酯回收电子废弃物中金的方法.

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