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- Main methylene chloride and chloroform sales. 主营二氯甲烷和三氯甲烷的销售。
- Do not contact methylene chloride acet (like nail oil) strong acid detergent. 不要接触亚甲基氯化物、丙酮(去指甲油剂)、强酸清洗剂。
- Proctically insoluble in water, freely soluble in methylene chloride. 鉴别.;几乎不溶于水，易溶于二氯甲烷
- The reactor and transfer line are rinsed with several small portions of methylene chloride. 反应器和输送管线被用少量二氯甲烷洗涤几次。
- Methods:Samples were extracted by methylene chloride,dehydrated by anhydrous sodium sulfate and determinated by GC-MSD. 方法:样品用二氯甲烷萃取,无水硫酸钠脱水,气质联用法检测。
- Most other processes use chemical solvents, like Methylene Chloride or Ethyl Acetate to decaffeinate coffee beans. 而通常这个过程，有些工艺会使用二氯甲烷（用作萃取剂）或乙酸乙酯（用作溶剂）等。
- The reactor and transfer line are rinsed with several small portions of methylene chloride . 反应器和输送管线被用少量二氯甲烷洗涤几次。
- Again, chloroform,methylene chloride, and to a lesser degree, DMF, aresuitable solvents. 再次，三氯甲烷，甲叉二氯，和稍微， DMF，是适当的溶剂。
- When using either Hexane or Methylene Chloride the column must be flushed with Isopropanol before returning to your resvered-phase mobile phase. 当用已烷蔌二氯甲烷柱子时,必须先用异丙醇冲洗,然后再用你的反相流动相。
- This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam. 讨论了用二氯甲烷替代一氟三氯甲烷进行软质聚氨酯泡沫塑料的生产。
- Results:average recovering ratio is 100.3% of methylene chloride and 99.9% of dimethyl acetylamide and 99.4% of glacial acetic acid. 结果:平均回收率:二氯甲烷100.;3%25二甲基乙酰胺99
- The preparation of anhydrous acetaldoxime from an aqueous solution by gaseous extraction using methylene chloride as extracting agent was studied. 研究以二氯甲烷为萃取剂，利用汽相萃取由乙醛肟水溶液制备无水乙醛肟的工艺过程，所得乙醛肟贮存稳定性好，含量在99%25以上，收率达93%25。
- Methylene chloride was used as extractant in the extraction of condensed liquid and 3% sodium carbonate solution was used in acid separation. 用二氯甲烷为萃取剂,萃取浓缩液用3%25碳酸钠溶液进行酸分离。
- Approximately 473 L of methylene chloride was added to the reaction vessel to dilute the suspension. The suspension containing the product (II) was then cooled to 5-10 DEG C. 在反应容器中加入约473升二氯甲烷以稀释悬浊液。将含产品(II)的悬浊液冷却至5－10℃。
- Characteristics: a white or yellowish crystalline powder, slightly soluble inwater, in acetone in alcohol and in methylene chloride, very slightly soluble in ether. 性状:白色或微黄色结晶状粉末,微溶于水、丙酮、三氯甲烷,极微溶于乙醚。
- The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent. 通过对其酰化原理分析,选用乙酰氯作酰化剂、二氯甲烷作酰化溶剂,测定含环氧基聚酯的羟值。
- Original principal agent of Zhejiang and Sichuan Zigong giant of carbon tetrachloride (CFC) and methylene chloride (MC), quantities, quality assurance, in 99.95 above. 主要代理原装四川自贡和浙江巨化的四氯化碳(CFC)和二氯甲烷(MC);大量现货;质量保证;含量99.;95以上
- A process for the preparation of anhydrous acetaldoxime from an aqueous solution by gaseous extration with methylene chloride as extracting agent was studied. 研究了以二氯甲烷为萃取剂,利用气相萃取由乙醛肟水溶液制备无水乙醛肟的工艺过程,所得乙醛肟贮存稳定性好,含量在99%25以上,收率达93
- A white or almost white power,slightly hygroscopic freely soluble in water,very soluble in alcohol,practically in soluble in ether and in methylene chloride. 白色或近似白色粉末，稍有吸湿性，可直接溶解于水，易溶于酒精，几乎溶于乙醚和二氯甲烷。
- The experimental results suggest that methylene chloride ist a good substitute which can instead of trichloro-fluoromethane in the production of different kind of density flexible polyurethane foam. 小试结果表明，用二氯甲烷生产各种密度的软质聚氨酯泡沫塑料，确实是较全面的一氟三氯甲烷的代用品。
