饮用水中17种半挥发性有机物的测定  

Determination of 17 Semi Volatile Organic Compounds in Drinking Water

作　　者：陈君君[1] 罗萍[1] 徐凤[1] CHEN Junjun;LUO Ping;XU Feng(Meizhou Center for Disease Control and Prevention,Meizhou 514071,China)

机构地区：[1]梅州市疾病预防控制中心,广东梅州514071

出　　处：《食品安全导刊》2023年第26期117-120,共4页China Food Safety Magazine

基　　金：梅州市社会发展科技计划项目(2020B118)。

摘　　要：利用固相萃取法提取饮用水中17种半挥发性有机物,经气相色谱质谱联用仪定性分析,内标法定量。结果显示,各目标物在相应的浓度范围内线性良好,相关系数大于0.995,方法检出限在0.008~0.50μg·L^(-1),回收率在70.1%~126.0%,相对标准偏差在1.05%~7.98%。表明该方法简便、准确度高、重现性好,适用于饮用水中17种半挥发性有机物的测定。Using solid-phase extraction method to extract 17 semi volatile organic compounds from drinking water,qualitative analysis by gas chromatography-mass spectrometry,and quantitative analysis by internal standard method.The results showed that each target substance had good linearity within the corresponding concentration range,with a correlation coefficient greater than 0.995.The detection limit of the method was 0.008~0.50μg·L^(-1),recovery rate between 70.1%and 126.0%,relative standard deviation between 1.05%and 7.98%.This indicates that the method is simple,accurate,and has good reproducibility,and is suitable for the determination of 17 semi volatile organic compounds in drinking water.

关 键 词：半挥发性有机物 气相色谱质谱联用法 固相萃取 

分 类 号：R123.1[医药卫生—环境卫生学]