饮用水中氯酸盐、亚氯酸盐和溴酸盐的离子色谱测定法  

Determination of chlorate,chlorite and bromate in drinking water by ion chromatography

作　　者：张鲜桃[1] 雷守成[1] 胡芬[1] 赖超[2] 

机构地区：[1]内蒙古自治区呼和浩特市疾病预防控制中心理化科,010070 [2]安徽大学化工学院

出　　处：《职业与健康》2013年第12期1474-1476,共3页Occupation and Health

基　　金：呼和浩特市科技局项目(项目编号:2010-重-农社-23)

摘　　要：目的建立水中亚氯酸盐、氯酸盐及溴酸盐的离子色谱最佳检测方法。方法水样经0.22μm的水性滤膜过滤,然后经过IonpacAS19-HC型分离柱(4 mm×250 mm)、IonpacAG19-HC型保护柱、ASRS300(4-mm)阴离子抑制器、KOH自动淋洗液、电导检测器检测,保留时间定性,峰面积定量。结果该方法线性良好(ClO2-:r=0.999 4;BrO3-:r=0.999 2;ClO3-:r=0.999 8),精密度高(RSD<5%),样品加标平均回收率为88.5%～101.2%。结论该方法具有操作简单、快速、准确、灵敏度高、干扰少的优点,具有较好的实用性。[ Objective ] To establish an optimal method for determination of chlorate, chlorite and bromate in drinking water. [ Methods] Water sample was filtered through a 0. 22μm aqueous membrane, and then through IonpacAS19-HC separation column （4 mm × 250mm） , IonpacAG19-HC type protecting column, ASRS300, {4-mm） anion suppressor, KOH, conductivity detec- tor. The components were qualitatively determined by retention time and quantitatively determined by peak area. [ Results] This method had good ]inearity { C102- ： r = 0. 999 4 ; BrO3- ： r = 0. 999 2 ; C103- ： r = 0. 999 8 }, and high precision （ RSD 〈 5 % }, the re- coveries were 88. 5%-101.2%. [ Conclusion]This method is simple, fast, accurate, with high sensitivity, less interference and better practicability.

关 键 词：饮用水 离子色谱法 氯酸盐 亚氯酸盐 溴酸盐 

分 类 号：R135[医药卫生—劳动卫生]