Liquid - liquid extraction

Liquid - liquid extractionLiquid - liquid extraction
  1. The Progress of the Flow Injection Liquid Liquid Extraction without Segmentation and Phase Separation

    无相分隔与/或无相分离的流动注射-液液萃取技术的进展

  2. Application of two stage liquid liquid extraction in lubricating oil furfural refining unit

    二段液一液萃取在润滑油糠醛精制装置上的应用

  3. A Study on the Continuous Liquid liquid Extraction Dispersion Free FI On line Monitoring System

    液液连续萃取无分散FI在线监测系统的研究

  4. The system of continuous liquid liquid extraction dispersion free FI on line monitoring is investigated .

    研究并建立了一种液液连续萃取无分散流动注射(FI)在线监测系统。

  5. The Study on Determination of Copper in Ores by Organic Phase On line Flow Injection Liquid liquid Extraction

    在线有机相析出法流动注射液-液萃取测定矿石中铜的研究

  6. Separation of tantalum from tungsten by liquid liquid extraction

    液-液萃取法从钨中分离钽

  7. Design of a Gravitational Phase Separator for FI Liquid Liquid Extraction and Studies of Its Analytical Performance

    一种新的FI-液液萃取重力分相器的设计及其分析性能研究

  8. Methods : The compounds were separated by liquid liquid extraction and chromatography , their structures were identified by spectral analyses .

    方法:用溶剂法、色谱法提取、分离红花岩黄芪化学成分,用波谱法鉴定其结构。

  9. The on line determination of trace copper in surface water by flame atomic absorption spectrometry with liquid liquid extraction flow injection was studied .

    研讨了流动注射在线液-液萃取火焰原子吸收光谱法测定地表水中痕量铜的分析方法。

  10. Procedures of liquid liquid extraction were developed for the partially purification of the crude preparations of B.sublilis ′α - amylase and Proteinase .

    设计了借液-液萃取方式分别部分纯化上述两酶粗品的方案。

  11. 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 .

    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。

  12. The results show that the extraction reactions in the hollow fiber membrane extractor are the same as those in the liquid liquid extraction , which can be expressed as a quasi first order reaction .

    结果表明,膜器中的萃取反应与液液萃取相同,可视为准一级反应。

  13. MCSP deodorization process developed by the Petroleum University is used in technical modification of the cat gasoline liquid liquid extraction refining system in Harbin refinery to remove mercaptan and alkali in gasoline .

    针对哈尔滨炼油厂重油催化裂化汽油液&液抽提氧化法精制系统存在的硫酸较难脱除、汽油带碱等问题,采用石油大学重油催化裂化汽油MCSP脱臭工艺,对该系统进行技术改造。

  14. Sulfolane + auxiliary solvent extraction distillation technology has been adopted in the revamping . Compared with the traditional liquid liquid extraction , the technology is characterized by short process flow , low energy consumption and less investment .

    改造中采用了环丁砜+助溶剂的抽提蒸馏技术,与传统的液液抽提技术相比,该技术具有流程短、能耗低、投资省的特点;

  15. Liquid Liquid Extraction of Uranyl with 2,6 Bis ( 4 Carbobyl ) ( 1 Phenyl 3 Methyl 5 Oxo Pyrazolinyl ) Pyridine

    2,6-双[(1-苯基-3-甲基-5-氧-4-吡唑啉基)甲酰基]吡啶对铀的液液萃取

  16. In Polyethylene glycol ammonium sulfate chrome azurol S two phase aqueous systems , the liquid liquid extraction behavior of Ti (ⅳ), Zr (ⅳ) and La (ⅲ) with chrome azurol S as the extractant was investigated .

    在聚乙二醇硫酸铵铬天青S双水相体系中,用铬天青S作萃取剂,研究了La(Ⅲ),Ti(Ⅳ),Zr(Ⅳ)的液液萃取行为。

  17. The samples were extracted by liquid - liquid extraction method .

    以尼莫地平为内标,样品采用液-液萃取。

  18. Simulation of liquid - liquid extraction of natural products

    天然产物液液萃取的模拟计算

  19. METHODS : The plasma sample was determined by HPLC after subjected to liquid - liquid extraction .

    方法:血浆样品经液-液提取后,采用高效液相色谱法检测。

  20. Liquid - Liquid Extraction of Fucoidan Leached from Brown Seaweeds

    溶剂萃取法从褐藻浸提液中分离提取褐藻糖胶

  21. A new method for the determination of lead with a liquid liquid flow extraction system associated with a newly designed phase separator was proposed .

    本文利用所设计的一种新型流动注射液-液萃取重力分相器,建立了流动注射溶剂萃取原子吸收光谱法测定铅的新方法。

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

    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。

  23. A method for the liquid liquid micro extraction and gas chromatographic analysis of trace phenol in small amount of aqueous sample has been developed .

    建立了小量水样痕量苯酚的液液微萃取气相色谱分析法。

  24. A Gravitational Phase Separator for Use in Flow Injection / Liquid - Liquid Extraction / Indirect Atomic Absorption Spectrometric Determination of Nitrate and Nitrite

    重力分相器用于流动注射-液-液萃取-原子吸收光谱法间接测定硝酸根

  25. Determination of m - Xylidine in Waste Water by Liquid - Liquid Micro - Extraction and Gas Chromatography

    微量萃取气相色谱法测定工业废水中的间二甲基苯胺