萃取剂

新萃取剂N，N′-不对称烷基酰胺的合成及表征

Synthesis and Characterization of Novel Extractant N , N ′ - Unsymmetric Alkylamide

肟类萃取剂N（530）在钴镍的氨性氯化物溶液中萃取性能的研究

Study of the Extractability of Oxime Extractant N_ ( 530 ) in Ammoniacal Chloride Solution of Cobalt and Nickel

亚砜类萃取剂萃取青霉素G的工艺研究

Extraction of penicillin G with sulphoxide extractants

混合萃取剂由水溶性小的中性萃取剂A、B组成。

The extracting agent is a dual mixed extractant , being made up of neutral extractant A and B having small water solubility .

1-苯基-3-甲基-4-三氟乙酰基吡唑酮-（5）与中性磷萃取剂对La（Ⅲ）的协同萃取

Synergistic extraction of lanthanum ( iii ) with 1-phenyl-3-methyl-4-trifluoroacetyl-pyrazol-one-5 and neutral organophosphorus compounds

萃取剂P（204）和P（507）的CNDO法初探

Preliminary Study of Extractants P_ ( 204 ) and P_ ( 507 ) by CNDO Method

汽油燃烧产物GC-MS分析的萃取剂研究

An Analysis of Extractant of Gasoline Combustion Products for GC-MS

讨论了在不同稀释剂中硝酸浓度、萃取剂浓度及温度对D（U（Ⅵ））的影响。

The effect of aqueous nitric acid concentration , extractant concentration and temperature on distribution ratio has been investigated .

研究了皂化度、平衡水相pH值、萃取剂浓度等影响因素。

The influential factors such as the saponification value , pH value of balanced aqueous phase and the concentrations of extracting agent were studied .

研究了DNS定糖法应用于烟草中水溶性糖的测定，探讨了萃取剂、脱色与除蛋白方法、HCl水解时间等因素对DNS法测糖的影响。

DNS sugar determination method was established for soluble total sugar in tobacco .

以N，N-二甲基甲酰胺（DMF）为萃取剂可将接枝共聚产物中的聚苯乙烯（PS）均聚物萃取干净。

Extracting agent N , N-dimethyl formamide ( DMF ) could extract totally polystyrene homopolymer from grafting polymer .

UHMWPE冻胶纤维复合萃取剂的配制及其萃取工艺

Preparation of composite extracting agent and extracting technology for UHMWPE gel-spun fibers

建立了以E为萃取剂的分离U和Th的溶剂萃取方法，该法简单、方便、可迅速地分离得到高纯U和Th。

A new method for separating U and Th is established , and U and Th with high purity can be obtained .

利用有机萃取剂18－冠醚－6将Sr（Ⅱ）定量萃取分离后，采用吸光光度法对Sr（Ⅱ）进行定量分析。

Sr (ⅱ) can be quantitatively separated by using 18 crone 6 as extractant , and determinated by spectrophotometry .

而由于纳米TiO2具有优良的理化性质和应用效能，现已成为一种倍受重视的固相萃取剂。

Nano-TiO_2 has become an excellent solid sorbent due to its good physical and chemical characteristics .

并采用常规PID控制算法与模糊PID控制算法对萃取剂、料液、酸液流量进行了控制仿真，效果良好。

And conventional PID control algorithm and fuzzy PID control algorithm are used on the control and simulation of extraction agent , liquid , acid flow .

有机溶剂、水相pH值、温度、萃取剂浓度等对萃取性能有显著的影响，但对不同的分离对象影响规律有差别。

Organic solvents type , concentration of extractant , pH and temperature strongly influence the extraction efficiency , but the pattern of their influence is different on different enantiomers .

结果表明：两种萃取剂的萃取能力随展开剂的酸度不同而变化。N，N二苯基甘氨酸对5种金属离子的萃取能力强于N正丁基甘氨酸。

As shown by study the extracting powers of two extraction agents are changed with acidy of developer extracting power N , N-diphenyl glycine is stronger than N-n-butyl glycine for 5 metal ions .

并以Sr（Ⅱ）为裂片元素代表，测定了萃取剂浓度和酸度与分配系数的关系。

The distribution coefficients of Sr (ⅱ) were also measured-for the same system as a function of nitric acid concentration and extractant concentration .

试验了萃取剂浓度、稀释剂种类、盐效应以及溶液pH值对萃取平衡分配比的影响；利用红外光谱测定了负载有机相中萃合物的结构，定性分析了络合萃取过程。

The influence of extractant concentration , diluents , salting-out agent , pH on D was investigated , and the structure of extracted species and extraction mechanism were studied by IR spectra .

萃取剂B使HFPO对HFP的相对挥发度达到2.204；

The solvent B alters the relative volatility of HFPO vs HFP to 2.204 ;

采用N（235）作萃取剂，在合适的酸度和氯离子浓度条件下，对含钴镍废水进行溶剂萃取处理。

Under the appropriate conditions of acidity and Cl ￣ - concentration , the wastewater containing Co and Ni has been treated by a solvent extraction process with N_ ( 235 ) an extractant .

以乙醚为萃取剂时SDE法最优萃取时间为2h。

Ether was used as extraction agent , 2h was the best extraction time for SDE .

结果表明，这类萃取剂对于Yb，Lu的萃取和分离能力随着其分子中取代基空间位阻的增大而降低。

The results show that the extraction and separation abilities for Yb and Lu decrease with increasing the steric hindrance of the substituents in extractant molecules .

EDTA是一种优质的化学萃取剂，其对于不同的尾矿显示出了良好的适应性和高效性。

EDTA was a high-quality chemical extractant in our study , which showed a good adaptability and high efficiency on different types of tailings .

介绍了混合萃取剂的组成，考察了萃取剂浓度、相比、平衡时间以及料液pH值对In萃取及In、Fe分离的影响。

A constitution of the mixer extractant concentrations , phase ratio , equlibrium time and pH value of solution on the extraction of indium and the separation of indium-iron are investigated in this paper .

以异戊醇和4-甲基-2-戊酮作为萃取剂，对Cr（）与显色剂二苯碳酰二肼生成的紫色络合物，进行了萃取试验的研究，并确定了最佳萃取条件。

The extracting agents are isoamyl alcohol and 4-methyl-2-pentanone , studying the extraction for the coordination compound of the chromium (ⅵ) combined with diphenyl carbazide , and determining the best extracting condition .

采用双硫腙（H2Dz）作衍生剂、超临界流体CO2为萃取剂，螯合萃取固载在硅胶上的铅（Ⅱ）。

A method using dithizone ( H_2Dz ) as chelating agent and supercritical fluid CO_2 as extractant to extract lead (ⅱ) in silica gel and standard reference soil samples was studied .

采用聚偏氟乙烯中空纤维膜器，以甲苯为萃取剂，对TNT废水进行了萃取实验。

PVDF ( polyvinylidene fluoride ) hollow fiber membrane module using toluene as extractant was used to treat TNT waste water .

酸性磷类-螯合-中性萃取剂三元协萃UO2~（2+）的研究

Study on the ternary synergistic extraction of uranium (ⅵ) by dialkyl phosphoric acid-chelating-neutral extractant