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。

Main methanol, ethanol, ethylene glycol, acetone, ethylene dichloride, methylene chloride, diethylene glycol.

主营甲醇，乙醇，乙二醇，丙酮，二氯乙烷，二氯甲烷，二乙二醇。

Objective: We detected the content of methylene chloride and diethylene oxide in Ceftizoxime Sodium using head-space GC method.

目的：建立一种气相色谱法测定原料药头孢唑肟钠中二氯甲烷和四氢呋喃有机溶剂残留量的方法。

Use of natural gas for heat chlorination methylene chloride for the production of photographic materials for industrial solvent.

采用天然气热氯化法生产二氯甲烷以供感光材料工业作溶剂。