Trichloromethane

Influence of Permanganate Pretreatment on the Formation of Trichloromethane in Drinking Water Treatment

高锰酸钾预处理对于饮用水氯消毒过程中氯仿生成量的影响

Results Both of the design methods adopted trichloromethane as the solvent , with the solid-to-liquid ratio of 1:7.5 and reflux time of 3 h with 3 repetitions for the highest yield of alkaloids .

结果两种方法的结果均为采用氯仿作为溶剂、固液比例为1.0∶7.5、回流时间3h×3，所得总碱含量最高。

Results : The Dox was extracted from serum by trichloromethane - methanol ( 4 ∶ 1 ) .

结果：血清样品用氯仿甲醇（4∶1）混合液1ml提取后进样。

Serum free fatty acids were isolated with trichloromethane and esterified with boratotrifluoricether / methanol .

血液中游离脂肪酸经氯仿抽提后，用BF3-甲醇酯化成脂肪酸甲酯，进行气相色谱测定。

Phase Equilibrium Sensitivity in Separation of Trichloromethane and 1,2-dichloroethane STUDY ON EXTRACTIVE DISTILLATION OF DIMETHYL CARBONATE FROM ITS AZEOTROPE WITH METHANOL USING OPTIMIZATION

氯仿-二氯乙烷系相平衡在其精馏分离中的精度分析萃取精馏分离甲醇与碳酸二甲酯共沸物的最优化研究

Theophylline and IS are extracted from serum using a mixture of trichloromethane : isopropanol ( 95 ∶ 5 , V / V ) .

以乙酰氨基酚为内标对氯仿异丙醇（95∶5，V/V）提取样品进行了分析。

Through this method , it is verified that dichloroethane , trichloromethane , trichloroethylene , N , N-dimethylformamide have the ability to form DNA adducts .

应用该方法证实了其中4种污染物（二氯乙烷、三氯乙烷、三氯乙烯、N，N-二甲基甲酰胺）具有形成DNA加合物的能力。

So , in this paper , experiments including single-species and multi-species ( ethyl acetate , normal hexane , butanone and trichloromethane ) VOCs were conducted to observe the behavior of adsorption onto activated carbon .

因此在本文中，我们对单组分及多组分有机气体（包括乙酸乙酯、正己烷、丁酮和氯仿）在活性炭上的吸附行为进行了考察；

A process of isolating taxol from the bark of Taxus Yunnanensis , which includes extracting the bark with 95 % ethanol , extracting the extract with trichloromethane , silica gel column chromatography , decolorizing with activated carbon and recrystallization , was magnified .

紫杉醇的提取工艺包括粉碎、乙醇浸取、氯仿分配、硅胶柱层析、活性碳脱色和结晶等步骤。

As typical pollutants , dichloroethane , trichloromethane , trichloroethylene , N , N-Dimethylformamide and acetone were selected to react with the mimic system of Fe ~ ( 2 + ) / EDTA / H_2O_2 / hydrazine , and the reactive intermediates formed .

利用二氯乙烷、三氯乙烷、三氯乙烯、N，N-二甲基甲酰胺、丙酮作为典型污染物与Fe2+/EDTA/H2O2/联氨模拟体系反应，所产生的活性中间体与4-（对硝基苄基）吡啶反应生成了紫红色物质。