盐析剂

加入盐析剂可促进反应平衡，提高萃取效果。

Extraction equilibrium and efficiency can be promoted by the addition of a salting-out agent .

蒸发残液（含溶剂和少量钠盐溶液）再返回系统作盐析剂。

The remained solution after evaporating , which has the organic solvent and some sodium salts , goes back to the system as an salting-out agent .

盐析剂的加入降低了水相中水分子的活度，不利于生成有机相中以水分子为桥的CTMA+·H2O·TBP缔合大阳离子萃合物。

The addition of salting out agent decreases the activity of H 2O in the aqueous phases , harms to the formation of CTMA + · H 2O · TBP .

主要是采用液-液萃取法，用磷酸三丁酯（TBP）与四氯化碳作为混合萃取剂，利用反协同萃取，并加入无机盐作为盐析剂对微量锡与微量锗进行分离富集。

Solvent Extraction method was applied to separate trace tin and trace germanium , which tributyl phosphate and tetrachloromethane became a kind of extractant , using counter synergistic extraction , and inorganic salt was used as salting-out .

用碳酸钾作盐析剂分离叔丁醇-水体系，可以将质量分数为60%的稀叔丁醇提浓至95%；

A good salting-out agent , potassium carbonate was found to separate tertiary-butanol from aqueous solution . The final result of the alcohol can be concentrated into 95 % from its original 60 % .

考察了水相酸度、盐析剂LiNO3浓度以及萃取剂浓度对萃取分配比的影响，结合红外光谱分析了萃合物结构。

The influences of concentrations of aqueous nitric acid , salting-out agent LiNO_3 and extractant on the extraction distribution ratios are investigated . The structure of the extracted complex is analyzed by the aid of IR spectra .

以煤油为稀释剂，研究了这3种酰胺从硝酸介质中萃取铀时，硝酸浓度、萃取剂浓度、水相盐析剂浓度以及温度对萃取分配比的影响。

The extraction of U (ⅵ) from nitric acid media with all three amides diluted with kerosene is investigated respectively . The study of the dependence of extraction on the nitric acid and extractant concentrations , salt concentration in aqueous phase and the temperature are conducted .

用盐析剂法制备粒状过碳酸钠，所得颗粒型过碳酸钠样品的活性氧质量分数为13.5%～14.5%，超过国家一级品标准（13.0%）；

The particulate sodium percarbonate was prepared with a salting-out agent method . The mass fraction of the active oxygen in the prepared sodium percarbonate particle samples is 13.5 % ~ 14.5 % and exceeds first grade product index ( 13.0 % ) of national standard .

采用两次盐析法可以降低盐析剂的总用量；

The amount of salting-out can be reduced with the optimized method of salt addition .