基于反相色谱原理HPLC-ICP-MS法同时分离测定环境水中的6种形态砷和3种形态汞  

Simultaneous separation and determination of 6 forms of arsenic and 3 forms of mercury in environmental water by HPLC-ICP-MS based on the principle of reversed phase chromatography

作　　者：钟跃汉 王利华 孙友宝 钟启升 黄涛宏 ZHONG Yuehan;WANG Lihua;SUN Youbao;ZHONG Qisheng;HUANG Taohong(Guangzhou Analytical Center Shimadzu(China)Co.,LTD.Guangzhou,510010,China;Shanghai Analytical Center Shimadzu(China)Co.,LTD.Shanghai,200052,China)

机构地区：[1]岛津企业管理(中国)有限公司广州分析中心,广州510010 [2]岛津企业管理(中国)有限公司上海分析中心,上海200052

出　　处：《环境化学》2021年第9期2943-2946,共4页Environmental Chemistry

摘　　要：本文建立了使用HPLC-ICPMS联用同时分离测定环境水中的亚砷酸[As(Ⅲ)]、砷酸[As(Ⅴ)]、一甲基砷酸(MMA)、二甲基砷酸(DMA)、砷甜菜碱(AsB)、砷胆碱(AsC)和无机汞(iHg)、甲基汞(MeHg)、乙基汞(EtHg)的方法.该方法结果显示,6种形态砷和3种形态汞的线性相关系数大于0.999,加标回收率在85.8%—97.5%之间,重现性<5.38%,6种形态砷的检出限在0.05—0.10μg·L^(-1)之间,3种形态汞的检出限在0.04—0.07μg·L^(-1),方法适用于环境水中6种形态砷和3种形态汞的同时定量分析.A HPLC-ICPMS method was established for the simultaneous separation and determination of arsenite[As(Ⅲ)],arsenate[As(Ⅴ)],monomethyl arsenate(MMA),dimethyl arsenate(DMA),arsenic betaine(ASB),arsenic choline(ASC),inorganic mercury(IHG),methyl mercury(MeHg)and ethyl mercury(EtHg)in environmental water.The results showed that the linear correlation coefficient of 6 forms of arsenic and 3 forms of mercury was greater than 0.999,the recovery was 85.8%—97.5%,the reproducibility was less than 5.38%,and the detection limit of 6 forms of arsenic was 0.05—0.10μg·L^(-1),the detection limits of three forms of mercury are 0.04—0.07μg·L^(-1),the method is suitable for the simultaneous quantitative analysis of 6 forms of arsenic and 3 forms of mercury in environmental water.

关 键 词：HPLC-ICP-MS 环境地表水 形态砷 形态汞 

分 类 号：X832[环境科学与工程—环境工程] O657.63[理学—分析化学]