顶空进样气相色谱法测定水中苯系物的方法研究  

Determination of Benzene Series in Water by Headspace Gas Chromatography

作　　者：丁萍 蔡燕斌 金凯 Ding Ping;Cai Yanbin;Jin Kai(Zhangjiagang Customs Comprehensive Technology Center,Zhangjiagang 215600,China;Jiangsu Junxin Xinhua Safety Science and Technology Co.,Ltd.,Zhangjiagang 215600,China)

机构地区：[1]张家港海关综合技术中心,江苏张家港215600 [2]江苏君信新华安全科技有限公司,江苏张家港215600

出　　处：《现代食品》2020年第6期143-146,共4页Modern Food

摘　　要：目的:建立顶空进样气相色谱法测定水中8种苯系物。方法:对比前处理时加、不加盐析剂氯化钠,通过平衡温度、灵敏度、曲线系数和回收率等方面的对比。结果:使用顶空进样气相色谱法测定水中苯系物前处理时加盐析剂氯化钠,平衡温度低,灵敏度高,曲线系数好、回收率稳定。结论:该前处理方法能够方便、准确、灵敏的测定水中苯系物。Objective:A headspace gas chromatographic method for the determination of 8 benzene series in water was established.Methods:Compared with or without sodium chloride in the pretreatment,through the equilibrium temperature,the sensitivity,curve coefficient and recovery rate,etc.Results:Headspace injection gas chromatography was used to determine benzene series in water with sodium chloride,the equilibrium temperature was low,the sensitivity was high,the curve coefficient was good and the recovery rate was stable.Conclusion:The pretreatment method is convenient,accurate and sensitive for the determination of benzene in water.

关 键 词：苯系物 顶空进样气相色谱法 盐析剂 

分 类 号：X832[环境科学与工程—环境工程]