摘要
目的：建立离子色谱法对饮用水中2,4-滴和灭草松酸性除草剂进行同时检测。方法：以AS19柱分离,30 mmol/L KOH为淋洗液、流速为1.2 ml/min、进样量500μl,电导检测。结果：二种除草剂分别在30-1000μg/L和100-1000μg/L的线性范围内呈良好的线性关系,加标回收率为95.4%-104.1%,相对标准偏差为1.08%-2.04%（n=6）,方法检测限分别为10μg/L和30μg/L,能达到国家有关上述除草剂残留限量的要求。结论：本法操作简便,准确可靠。
Objective：A method for the determination of 2,4-D,and bentazone in drinking water by ion chromatography was established.Methods：AS19 column was used as separation column,30 mmol/L KOH as eluent,flow rate at 1.2 ml/min and sample injection volume at 500 μl.Results：The linearity of 2 herbicides was good in the range of 30-1000 μg/L and 100-1000 μg/L.The recovery of the method was 95.4%～104.1% and relative standard deviation（RSD） was1.08%-2.04%（n=6）.The limits of detection（LOD） of the 2 herbicide residues were 10 μg/L and 30 μg/L.Conclusion：The method is accurate,reliable and easy to be operated.It can be used for the determination of 2 herbicides residues in drinking water.
出处
《中国卫生检验杂志》
CAS
2010年第2期295-296,共2页
Chinese Journal of Health Laboratory Technology
关键词
2
4-滴
灭草松
离子色谱法
饮用水
Bentazone
2
4-Dichlorophenoxyacetic acid
Drinking water
Ion chromatography
