The method for the determination of trifluoromethane content in by-product hydrochloric acid was studied.After neutralizing of the by-product hydrochloric acid with alkali,the content of trifluoromethane was determined by headspace gas chromatography.The chromatographic operating conditions were verified,the standard curve was drawn,and the recovery rate reclamation of the method was investigated.The results show that the method has high accuracy and can meet the production requirements.
关键词
副产盐酸/三氟甲烷/顶空气相色谱
Key words
by-product hydrochloric acid/trifluoromethane/headspace gas chromatography
维普
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