High-speed countercurrent chromatography ( HSCCC) is one kind of continuous liquid-liquid distribu-tion chromatography with the unique feature of eliminating the use of a solid support. 【中英文摘要】高速逆流色谱是一种连续液-液色谱技术,具有无固相载体的优点。
The range is easy to understand and to find, but its usefulness as a measure of dispersion is limited. Rapid determination of organophosphorus pesticides in the gastric contents by dispersive liquid-liquid microextraction-gas chromatography 极差很好理解,也容易计算,但作为度量离散性的一个量,它的作用则是有限的。分散液相微萃取-气相色谱联用技术快速测定胃内容物中有机磷农药
Determination of Chlorinated Acid Herbicides in Water by Liquid-liquid Microextraction-Methyl Derivatization/ Gas Chromatography with Electron Capture Detection 液液微萃取-甲基衍生化/气相色谱法对水中氯代酸除草剂的测定
Rapid Determination of Di-( 2-ethylhexyl)-phthalate by Liquid-Liquid Micro-extraction and Gas Chromatography 液液微萃取气相色谱测定水中邻苯二甲酸二(2-乙基己基)酯
Study on mass transfer due to diffusion process with optical interferometry method Dispersive liquid-liquid microextraction coupled with high performance liquid chromatography for the determination of polynuclear aromatic hydrocarbons in environmental water samples 用光学干涉方法对液相扩散传质过程的研究
Determination of trichlorobenzenes in water-based cutting fluids and wastewater of machining using dispersive liquid-liquid microextraction-gas chromatography/ mass spectrometry 分散液-液微萃取-气相色谱/质谱联用法测定机械加工水基切削液及其废水中的三氯苯
Researches on Microfluidic Liquid-Liquid Extraction Chip Systems Coupled Gas Chromatography 微流控芯片液-液萃取-气相色谱联用系统的研究
Methods: Liquid-liquid partition, solid-phase separation extraction. silica-gel chromatography, Al2O3 chromatography and thin-layer chromatography were performed and compared for separation of paclitaxel. 采用液-液萃取、固相萃取、硅胶柱层析、氧化铝柱层析、薄层层析五种分离方法对紫杉醇进行了初分离。
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. 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。
Study of Solvent-Solvent Interaction by Liquid-Liquid Solubility and Gas-Liquid Chromatography 液-液溶解度法与气-液色谱法研究溶剂-溶剂的相互作用
Determination of Phthalate Esters in Water by Using Liquid-liquid Extraction/ gas Chromatography 液液萃取/气相色谱法测定环境水样中邻苯二甲酸酯类化合物
Methods: Conventional liquid-liquid extract was displaced by solid phase extract using C_ ( 18) and Sep-pak Porapak Rox SPE cartridge to extract and clean the pesticide residues from environment water. The pesticides were determined by gas chromatography with mass selective detection in scan model. 方法:采用C18和Sep-pakPorapakRox固相萃取小柱联用提取、浓缩环境水中痕量农药,用气相色谱/质谱联用仪(GC/MSD)全扫描方式进行分析测定。
Determination of haloacetic acids in drinking water by liquid-liquid extraction, derivatization with acidic methanol and gas chromatography with electron-capture detection 液-液萃取、衍生化气相色谱法测定饮用水中卤乙酸
A new method is developed fos the determination of the nitrification inhibitor, based upon liquid-liquid extraction and gas chromatography. 建立了一种快速测定缓释尿素中吡唑类硝化抑制剂(DL-1)的方法&液液萃取-气相色谱法。
A method was described for determination of residues of carbendazim ( MBC) and thiabendazole ( TBZ) in soils. The method involved microwave-assisted solvent extraction ( MASE), liquid-liquid partitioning for cleaning up and analysis by reversed-phase liquid chromatography ( RPLC) with FLD detection. 报道了微波辅助溶剂提取、液液分配净化、反相液相色谱荧光法测定土壤中苯并咪唑类农药多菌灵、噻菌灵残留量的方法。
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)。
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. 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。
Counter-current chromatography is a liquid-liquid partitioning chromatography, broadly applied in separation and preparation of natural products. 逆流色谱(Counter-currentChromatography)作为一种液液分配色谱技术,广泛应用于天然产物的分离制备中。
The residue was extracted with acetone/ dichlomethane mixture. After liquid-Liquid separation with petroleum ether, silica gel column was used for cleanup. Gas chromatography was employed for detection. 检测样本用丙酮+二氯甲烷提取后,再萃取到石油醚中,经硅胶柱净化后采用气相色谱法测定。
A novel cold-induced aggregation dispersive liquid-liquid microextraction with [ C8MIM] PF6 as extractant has been developed for the determination of phenolic compounds in water samples by high-performance liquid chromatography with ultraviolet detection. 基于冷诱导分散液-液微萃取技术和高效液相色谱-紫外检测器的联用建立了一种测定水样中酚类化合物的新方法。该方法采用[C8MIM][PF6]作为萃取溶剂。
Multilayer coil planet centrifuge, also called high-speed countercurrent chromatography ( HSCCC), is a new type of liquid-liquid partition chromatography. 多层螺旋管行星式离心仪又称高速逆流色谱仪,是一种新型的液液分配色谱技术。