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1)  liquid-liquid extraction system
液—液萃取系统
2)  liquid-liquid extraction system
液液萃取体系
3)  Liquid-Liquid Extraction
液-液萃取
1.
Separation of tert-pontanol and water mixture by means of combination of liquid-liquid extraction rectification;
用液-液萃取与精馏联合法分离叔戊醇-水共沸物
2.
The 11 organochlorine pesticides are determined by GC-ECD,and B(a)P is determined by HPLC-UV-FLD after sample pre-treatment by liquid-liquid extraction with n-hexane.
方法利用正己烷液-液萃取,以气相色谱法(电子捕获检测器)检测11种有机氯组分,高效液相色谱法(紫外、荧光检测器)检测苯并[a]芘。
3.
In order to investigate the effects of magnetic field on the liquid-liquid extraction,the extraction process of acetone-water-methyl isobutyl ketone system was studied under magnetic field with different magnetic induction intensities.
为探讨磁场对液-液萃取过程的影响,本研究在不同磁感应强度的磁场中,对丙酮-水-甲基异丁基酮物系的萃取过程进行了研究。
4)  Liquid-liquid extraction
液液萃取
1.
Application of surface-treated high efficient BHB250Y type packing in liquid-liquid extraction;
经过表面处理的BHB250Y型填料在液液萃取中的应用
2.
Improvement and application of the liquid-liquid extraction simulation program of natural products;
天然产物液液萃取模型计算程序的改进与应用
3.
A static solid-phase microextraction procedure combined with liquid-liquid extraction was developed to determine the poly(dimethyl) siloxane(PDMS)-water partition coefficients(Kf) of polybrominated biphenyls(PBBs) by GC-MS.
结合静态固相微萃取与液液萃取方法,采用目标物的同分异构体作一对一的回收率指示物以确保水中目标物定量的准确性,建立了气相色谱-质谱测定6种多溴联苯在聚二甲基硅氧烷和水相间的分配系数(Kf)的方法。
5)  LLE
液液萃取
1.
Two methods for the determination of lewisite in soil after derivatization have been developed,namely,liquid-liquid extraction-gas chromatography(LLE-GC)and solid_phase micro_extraction-gas chromatography(SPME-GC).
建立了土壤基质中不同浓度的路易氏剂的测定方法,即液液萃取-气相色谱法(LLE-GC)和固相微萃取-气相色谱法(SPME-GC)。
6)  liquid liquid extraction
液液萃取
1.
METHODS: UNIFAC group contribution method is used for simulating the liquid liquid extraction, the proper extractants are chosen to carry out the experiments, and then the contents of the ginsenosides obtained with different extractants are detected through HPLC.
方法 :采用UNIFAC基团贡献法进行液液萃取模拟 ,选择合适的萃取剂体系进行实验 ,并通过HPLC检测不同萃取剂体系下的人参皂苷。
补充资料:液液萃取
分子式:
CAS号:

性质:又称溶剂萃取或抽提。用溶剂分离和提取液体混合物中的组分的过程。在液体混合物中加入与其不相混溶(或稍相混溶)的选定的溶剂,利用其组分在溶剂中的不同溶解度而达到分离或提取目的。例如用苯为溶剂从煤焦油中分离酚,用导丙醚为溶剂从稀醋酸溶液中回收醋酸等。实验室中用分液漏斗等仪器进行。工业上在填料塔、筛板塔、离心式萃取器、喷洒式萃取器等中进行。应用于有机化学、石油、食品、制药、稀有元素、原子能等工业方面。

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