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毛细柱——微电子捕获气相色谱法测定水中氯仿、四氯化碳
引用本文:许瑛华,杜达安. 毛细柱——微电子捕获气相色谱法测定水中氯仿、四氯化碳[J]. 卫生研究, 2002, 31(2): 124-125
作者姓名:许瑛华  杜达安
作者单位:广东省疾病预防控制中心,广州,510300
摘    要:
毛细柱-微电子捕获气相色谱法水中氯仿,四氯化碳,其线性范围得到扩延,氯仿浓度在0-10μg/L范围内,相关系数r=0.9910,回归方程Y=1.959X+4.816,最低检出学为0.1032μg/L,四氯化碳浓度在0-1μg/L,范围内,相关系数r=0.9970,回归方程Y=3.947X+42.579,最低检出浓度为0.01219μg/L。同时,本方法简化了操作过程,方法灵敏度得到较大提高,并且准确度和精密度均符合检测要求。

关 键 词:顶空法 氯仿 四氯化碳 饮用水 毛细柱-微电子捕获 气相色谱法 测定
文章编号:1000-8020(2002)02-0124-02
修稿时间:2001-03-02

Determination of chloroform and tetrachloro|methane in water with capillary column-μECD
Xu Yinghua,Du Daan Disease Prevention and Control Center of Guangdong Province,Guangzhou ,China. Determination of chloroform and tetrachloro|methane in water with capillary column-μECD[J]. Journal of hygiene research, 2002, 31(2): 124-125
Authors:Xu Yinghua  Du Daan Disease Prevention  Control Center of Guangdong Province  Guangzhou   China
Affiliation:Disease Prevention and Control Center of Guangdong Province, Guangzhou 510300, China.
Abstract:
The method of determination of chloroform and tetrachloro-methane in water with capillary column-microECD had better and wider linear range and lower detection limit. At the range of 0-10 micrograms/L chloroform and 0-1 microgram/L tetrachloro-methane, the regression equation were calculated as Y = 1.959X + 4.816 (r = 0.9910) and Y = 3.947X + 42.58 (r = 0.9970). The lowest detection limit were 0.1032 microgram/L chloroform and 0.01219 microgram/L tetrachloro-methane. This method not only simplified the operating processes, but also increase the sensitivity, and reavled better precision and accuracy.
Keywords:headspace   chloroform   tetrachloro|methane   water  
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