顶空气相色谱法测定副产盐酸中三氟甲烷含量的分析方法研究  

Study on Analytical Method for Determination of Trifluoromethane in By-product Hydrochloric Acid by Headspace Gas Chromatography

作　　者：陈彩琴 彭群芳 吴云竹 傅永斌 邵红才 CHEN Caiqin;PENG Qunfang;WU Yunzhu;FU Yongbin;SHAO Hongcai(Zhejiang Quhua Fluorine Chemical Co.,Ltd.,Quzhou 324004,China)

机构地区：[1]浙江衢化氟化学有限公司,浙江衢州324004

出　　处：《有机氟工业》2024年第1期5-7,共3页Organo-Fluorine Industry

摘　　要：研究了副产盐酸中三氟甲烷含量的测定方法,通过将副产盐酸用碱中和后采用顶空气相色谱法测定三氟甲烷的含量,试验了色谱操作条件,绘制了标准曲线,考察了方法加标回收率。结果表明,该方法具有较高的准确性,能满足生产要求。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 

分 类 号：TQ124.42[化学工程—无机化工] O657.71[理学—分析化学]