浩瀚色谱（山东）应用技术开发有限公司建立自动顶空气相色谱法测定饮用水中三氯甲烷和四氯化碳的方法。方法:饮用水样在顶空自动进样装置上加热,平衡后进样,经15%DC-550/Chromosorb W AW填充柱分离,微池电子捕获检测器检测。结果:三氯甲烷在0μg/L～33.92μg/L浓度范围、四氯化碳在0μg/L～1.60μg/L浓度范围内呈良好线性关系,其相关系数分别为0.9998和0.9997,三氯甲烷的最低检出浓度为0.06μg/L、四氯化碳的最低检出浓度为0.01μg/L,回收率为92.9%～105.0%,相对标准偏差为0.77%～2.28%。结论:该方法操作简便、灵敏、准确、重现性好,适用于饮用水中三氯甲烷和四氯化碳的测定。

　　名称:填充柱

　　型号:15%DC-550/Chromosorb W AW填充柱

　　规格:2m*3mm

　　最高使用温度:220°C

　　货号:20230223001

　　Haohan Chromatography (Shandong) Applied Technology Development Co., Ltd. has established an automatic headspace gas chromatography method for the determination of chloroform and carbon tetrachloride in drinking water. Methods: The drinking water sample was heated on the headspace automatic sampling device, balanced and injected, separated by a 15% DC-550/Chromosorb W AW packed column, and detected by a microcell electron capture detector. Result: Trichloromethane at 0 μ g/L～33.92 μ G/L concentration range, carbon tetrachloride at 0 μ g/L～1.60 μ There is a good linear relationship within the range of g/L concentration, and its correlation coefficients are 0.9998 and 0.9997 respectively, and the lowest detectable concentration of trichloromethane is 0.06 μ G/L, the lowest detectable concentration of carbon tetrachloride is 0.01 μ G/L, the recovery rate is 92.9%~105.0%, and the relative standard deviation is 0.77%~2.28%. Conclusion: The method is simple, sensitive, accurate and reproducible, and suitable for the determination of chloroform and carbon tetrachloride in drinking water.

　　Name: Filled Column

　　Model: 15% DC-550/Chromosorb W AW filled column

　　Specification: 2m * 3mm

　　Maximum service temperature: 220 ° C

　　Article No.: 20230223001