Objective : To set up a method of capillary GC to determine chloroform and tetrachloromethane in water.
目的: 建立测定饮水中三氯甲烷和四氯化碳的含量的新方法.
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英英释义
Noun
1. a colorless nonflammable liquid used as a solvent for fats and oils; because of its toxicity its use as a cleaning fluid or fire extinguisher has declined