反萃取

并对90℃热水的反萃取进行了研究。反分配比D′La随有机相初始酸浓的增加而逐渐下降；

We have proved that 90 ℃ water are good to back extraction for lactic acid , back partition coefficient ( D La ) are decreased when the concentration of lactic acid in extractant increased .

反胶团提取脂肪酶动力学研究（Ⅱ）反萃取过程

Kinetics of Extracting Lipase by Applying Reversed Micelles (ⅱ) Process of Back Extraction

反萃取FAAS测定树脂固化促进剂中环烷酸钴

Determination of Cobalt in Solidified Resin Promoter by Successive Extraction and FAAS

K2CO3反萃取单元中K2CO3溶液浓度调整为3.5%；

The concentration of the K_2CO_3 solution is adjusted to 3.5 % in the ob - extraction unit .

用结晶反萃取法制备陶瓷级UO2的AUC粉末

Preparation of AUC Powder of Ceramic-Grade UO_2 by Stripping Process with Crystallization

以细胞色素c（cyt－C）为对象，研究了水相pH值和离子强度对反胶团法萃取和反萃取cyt－C的影响；

In this paper the effect of PH and ionic strength of water phase on extraction and stripping of cytochrome-C was studied by the method of reverse micelle .

本文通过萃取一反萃取实验确定了TOA液膜体系萃取和反萃取pd（Ⅱ）的化学反应方程式；

The article determines the chemical reaction equation of extraction and anti-extraction of pd (ⅱ) by using TOA liquid film system through the extraction anti-extraction tests .

研究了应用硫氰酸钾从CTAB-30%TBP（或30%正辛醇）-磺化煤油萃Au（Ⅰ）体系载金有机相的反萃取，以及反萃后的有机相的重复利用等。

The method of stripping gold from CTAB-30 % TBP ( 30 % octanol ) extraction system by KSCN and the reuse of the organic phase have been studied in this paper .

反萃取液滴入Ti（SO4）2溶液，用NaOH调节pH，然后加入ZnS（Ag）混匀过滤。

Ti ( SO4 ) 2 is added to the re-extraction solution and the pH value of solution is adjusted with NaOH , then the solution is evenly mixed with ZnS ( Ag ) and filtered .

同时，该法采用了氨水反萃取，热过滤和结晶时差，结果产品中WO3含量高达99.92%，钼含量由0.1%下降到0.00061%。

The result was that the product of tungsten trioxide quantity reached up to 99.92 % and the content of Molybdenum reduced from 0.1 % to 0.00061 % .

结论通过以上的研究分析和论证，我们得出青霉素G间歇反萃取工艺的优越性在于：能使二氧化碳彻底排出，加快反应速度，缩短操作时间，减少青霉素的损失。

Conclusion Through the above the analysis , we can conclude that the advantage of discontinuous reverse-extraction Penicillin G is that CO_2 exhaust completely , and that the reaction speed is rapid , and the operation time is short , and the loss of product is low .

侧重介绍了用草酸溶液从负载钕的P204中直接反萃取沉淀草酸钕的小型试验与台架试验结果。

The results of laboratory test and bench test of direct stripping precipitation of neodymium oxalate from P204 loading neodymium are introduced .

负载2－乙基己醇可用NaOH溶液反萃取，反萃取为不均相化学反应过程，NaOH用量和动力学因素是使反萃取完全的重要条件。

Loaded 2 ethylhexanol is back extracted with NaOH solution and the back extraction is a heterogeneous chemical reaction process . The amount of NaOH and kinetics factors will be very important for effective back extraction of theophylline .

用PMBP&苯萃取、甲酸反萃取分离稀土，在KCl介质中用偶氮肿Ⅲ显色剂光度法测定了三种磷肥样品中的稀土总量。

It has been reported that the total rare earth in phosphate fertilizer , which is extracted bv PMBP-benzene and reextracted by formic acid , is determined by spectrophotometry with arsenazo ⅲ in KCl solution .

CTAB-TBP体系载金有机相中金（Ⅰ）的转化还原反萃取

Au (ⅰ) stripping from gold loaded CTAB-TBP organic phase by transformation and reduction

静态杯皿试验表明，通过萃取处理，CLT酸废水的COD去除率达93.5%，反萃取效率100%，废水中的回收物浓缩8-10倍，且萃取剂可再生回用。

The removal rate of COD in CLT - acid waste liquor is 93.5 % and the back - extraction efficiency is 100 % . The extracted organics is concentrated 8 to 10 times and the extractant can be reused after regeneration .

ELTA萃取分离氨水反萃取原子吸收光谱法测定铸铁中的钼

Determination of molybdenum in cast iron by atomic absorption spectrometry after extraction with elta then back extraction with aqueous ammonia

用TTA萃取分离铀、锆时，TTA对锆的螯合作用很强，硝酸和盐酸的浓酸溶液并不能破坏它们之间的整合，即对锆的反萃取非常困难。

When TTA is used to extract zirconium in uranium , the combination of zirconium and TTA is very strong , the concentrated acid of nitric acid and hydrochloric acid can not destroy their combination .

萃取及反萃取时间均对胰蛋白酶活力有影响，最佳萃取与反萃取时间均为5min。

Time of extraction or reextraction has effects on extraction rate and activity of trypsin . The studying results show that the optimum time is 5 min for both .

介绍了在自制的三相反萃取槽中用草酸溶液从负载钕的P507有机相中直接反萃取沉淀钕的半工业试验结果。

The pilot experiment results of direction stripping and precipitation of neodymium with oxalic acid solution in self-designed three phase stripping tank from P507 loaded organic phase are introduced .

载钯有机相用NH3.H2O进行反萃取，一次反萃取率也达99%。

Pd can be back extracted from the organic phase by using NH_3 · H_2O , obtaining a rate of single back extraction of 99 % .

应用先转化后还原的方法对CTAB30%TBP载金有机相进行了反萃取研究，并以198Au作为示踪剂对有机相和水相中的Au（Ⅰ）进行检测。

The stripping of gold from gold loaded organic phase of CTAB-30 % TBP was investigated by gold loaded organic phase transformation and followed reduction . () ~ ( 198 ) Au was used as radioactive tracer to determine Au (ⅰ) concentration in organic and aqueous phases .

硝酸铀酰-硝酸-磷酸三丁酯体系的反萃取动力学研究

Kinetic Studies on the Stripping of Uranyl Nitrate in TBP-HNO_3 System

双水相体系/溶剂反萃取法制备高纯天然烟碱

Preparation of Nicotine by Aqueous Two Phase System / Reverse Extraction

协同萃取锗和镓工艺中反萃取锗的改进研究

Improvement of stripping germanium for synergistic extraction process of germanium and gallium

L-1氢氧化钠溶液对含铬（Ⅵ）有机相进行反萃取，一次反萃率达98.11%。经反萃后的有机相可再循环利用。

The rate of back - extraction was 98.11 % .

亚硫酸氢钠反萃取法提取香兰素工艺特性研究

Study of the Technology Characteristics on Vanillin Extraction with Sodium Bisulfite Solution

钨萃取工艺中反萃取过程的研究

Study of re-extraction process in extraction technology of tungsten

季铵盐载金有机相的反萃取研究Ⅱ无机盐类反萃体系

Gold Stripping from Loaded Organic Phases by Inorganic Salts

提高钍萃取率和反萃取率的研究

Investigation on improving extraction and stripping rates of thorium