液液萃取法

采用液液萃取法和C18固相膜萃取法对水样进行前处理，利用气相色谱/质谱联用技术进行分析测定，通过回收率实验和精密度实验对两种前处理方法进行比较。

The groundwater samples are pretreated respectively by means of both the liquid-liquid extraction and the C_ ( 18 ) membrane disk extraction , analyzed with the GS / MS. The recovery and precision experiment are both conducted to compare the two pre-treatment methods .

实验结果表明，与传统的液液萃取法相比，本方法具有操作简单、快速、准确、低成本及环境友好等优点，而且在抗基质干扰方面有更强的优势，检测灵敏度更高。

Compared with the traditional liquid-liquid extraction , the proposed method demonstrated to be a simple , rapid , accurate , low-cost and environmentally friendly technique .

可以预言：采用液液萃取法浓缩和回收糠醛将是今后普遍采用的可靠方法。

It would be a universal method to condense and reclaim furfural by liquid - liquid extraction in the future .

方法用液液萃取法/KD浓缩技术与GC/MS联用，对苏州河水中的半挥发性有机物进行系统分析，在定性分析的基础上，用GC/FID对所检出的部分组分进行定量测定。

Methods A combination of liquid liquid extraction , K D concentrator , gas chromatograph ( GC ) and mass spectrometry was used to determine semi volatile organic compounds in river water .

应用于55例患者监测，并与液液萃取法比较，差异无显著性（P>0.05）。

The method has been used for monitoring serum drug concentration of 55 epileptic patients , the results were compared with liquid-liquid extraction method and there was no difference ( P > 0.05 ) .

在酒剂的检测中已建立有不同的提取净化方法，例如：液液萃取法、固相萃取法和固相微萃取法等。

Different extraction and clean-up procedures , such as solid phase extraction ( SPE ), liquid-liquid extraction ( LLE ) solid-phase micro-extraction ( SPME ), have been established for extracting numerous pesticides in wines .

取给药后不同时间点的大鼠血浆，加入内标泼尼松龙，采用液液萃取法加入一定体积乙酸乙酯，按一定比例吸取上清液。

Medicine is consecrated to different time points after rats plasma , join internal standard prednisolone , using liquid-liquid extraction to join a certain volume of ethyl acetate , according to a certain proportion drain on the fluid .

本文为进一步研究糠醛和水分离及工业化生产提供了详细的基础数据，所研究的分离糠醛和水的液液萃取法不仅适用于糠醛精制，还适用于造纸废水中糠醛的回收。

Fundamental references were provided for further study on separation of furfural and water and the industrialization . the Liquid-liquid extraction method could be used not only in the purification of furfural , but also in the recovering of furfural from industrial papermaking waste water .

以液-液萃取法处理血浆样品，建立汉防已甲素体内药物测定的HPLC法。

HPLC method was established to detect the tetrandrine in vivo , the blood plasma sample was processed by liquid-liquid extraction .

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 .

本文综述了食品中氯丙醇检测的方法，主要介绍了基质固相分散萃取法（MSPD）、固相微萃取法（SPME）、液-液萃取法在食品样品氯丙醇提取、净化上的应用；

This paper summarized the application of matrix solid-phase dispersion extraction ( MSPD ), solid-phase micro - extraction ( SPME ) and liquid-liquid extraction to the extraction and clean-up of chloropropanols in foodstuffs and water .

方法采用液-液萃取法，用1-氯丁烷提取全血中的瑞芬太尼，选用GI97559（瑞芬太尼乙基类似物）为内标定量。

Methods A liquid-liquid extraction method using n-butyl chloride was established .

液-液萃取法从光卤石中分离氯化镁和氯化钾

Separation of magnesium chloride and potassium chloride from carnallite by liquid-liquid extraction

用丙酮作为提取溶剂，采用液-液萃取法提取样品中的三唑磷，经净化、浓缩后采用氮磷检测器检测。

Triazophos is extracted by acetone with a liquid / liquid method .

液-液萃取法从钨中分离钽

Separation of tantalum from tungsten by liquid liquid extraction

对紫杉醇的提取和前处理技术包括液-液萃取法、固相萃取法、沉淀法、超临界流体萃取法、树脂层析法的研究进展进行了较全面的综述。

The methods of extraction and eliminate impurity in taxol pretreatment including liquid-liquid extractin , solid phase extraction , precipitation , supercritical fluid extraction , resin chromatography are reviewed .

液-液萃取法中，采用乙酸乙酯+正己烷+异丙醇混合溶剂，克伦特罗和沙丁胺醇萃取率分别可达85.20%、83.00%；

In liquid-liquid extraction , extraction yield of CL is 85.20 % and extraction yield of SA is 83.00 % by using acetic ether 、 hexane and isopropanol mixed solvent extraction .

采用液-液萃取法对炼油废水中有机物样品进行处理，对分离条件做了探讨。用GC/MS法进行测定并定性分析。

Adopting liquid-liquid extraction method to treat organic matter samples from oil refining sewage , it probes into separation conditions and determines by GC / MS method and undertakes qualitative chemical analysis .

用液液萃取GC/MS-SIM法测定水样中8种有机氯农药的回收率为62.2101.1%，相对标准偏差为8.1-19.1%。

The recoveries for 8 organochlorine pesticides using liquid-liquid extraction and GC / MS-SIM for determination range from 62.2 % to 101.1 % , and RSD from 8 . 1 % to 19 . 1 % .

流动注射在线液-液萃取FAAS法测定土壤中痕量镉

Determination the Trace Amounts of Cadmium in Soil by Flow-injection FAAS with On-line Liquid-liquid Extraction

液液离子交换萃取法从Raschig合成液中分离硫酸羟胺：应用与相关基础研究

Liquid Ion-Exchange Extraction for the Recovery of Hydroxylamine Sulfate from Raschig Synthesis Mixtures : Application and Relative Study

试验用样品制备采用液-液分配萃取法。

The samples were prepared via liquid-liquid extraction .

分别采用微量液液萃取（MLLE）法和同时蒸馏萃取（SDE）法对TG-11香精进行萃取，并用气相色谱/质谱联用仪进行了分析。

Flavor TG-11 # was extracted by micro liquid-liquid extraction ( MLLE ) or simultaneous distillation and extraction ( SDE ), and then analyzed by GC / MS .

并于死后0h2、h、24h、48h采集心血、外周血及心肌、肝、脾、肺组织，用液-液萃取衍生化法和气相色谱-氮磷检测器（GC-NPD）检测MDMA含量。

Samples including cardiac blood , femoral blood , cardiac muscle , liver , spleen and lungs were taken at 0 h , 2 h , 24 h or 48 h postmortem and extracted with liquid-liquid and derivation . MDMA levels were detected by gas chromatography with nitrogen phosphorus detector .

常用的前处理方法有超临界流体萃取、液液萃取和固相萃取法等。

The methods for sample pretreatment include supercritical fluid extraction , liquid-liquid extraction and solid-phase extraction .

半连续高浓缩比液液萃取气相色谱法分析饮用水中的六六六、滴滴涕

Determination of BHC and DDT in Drinking Water by Half-sequence and High Ratio Liquid-liquid Extraction Gas Chromatographic Method

本文建立了超声辅助-分散液液微萃取-HPLC荧光法、紫外法测定沉积物中痕量双酚A的分析方法。

A novel method , ultrasound-assisted dispersive liquid-liquid microextraction coupled with HPLC equipped with fluorescence or ultraviolet detector , was developed for the determination of trace bisphenol A in sediments .

筛板液液萃取塔是蒽醌法双氧水生产中的重要设备之一，虽然它已经被使用很多年，但是人们对它的研究和应用都十分的匮乏。

Sieve tray liquid-liquid extraction column , which is one of the most important equipments for production of hydrogen peroxide by anthraquinone process , has been practiced for many years , but its investigation and development have been rather poor .

FeⅡ-5-Br-PADAP-微乳液析相液-液萃取光度法测定铁的研究

Study on phase-separation spectrophotometric determination of iron ⅱ by liquid-liquid extraction with Fe ⅱ - 5-Br-PADAP-microemulsion system

对于该类药物的分析检测，目前主要采用液液萃取普通紫外光谱测定法，液液萃取分离法操作繁琐、费溶剂、药物萃取率低，杂质去除不彻底。

At present , liquid-liquid extraction common ultraviolet spectrophotometry method is used for the analysis and examination of such medicine .