| 离子色谱法测定农村饮用水中阴离子 |
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| 引用本文： | 魏益华,张金艳,罗林广.离子色谱法测定农村饮用水中阴离子[J].理化检验(化学分册),2012(2):213-214,218. |
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| 作者姓名： | 魏益华 张金艳 罗林广 |
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| 作者单位： | 江西省农业科学院农产品质量安全与标准研究所;江西省农业科学院;农业部肉及肉制品质量监督检验测试中心;江西省农业科学院农产品质量与安全重点实验室 |
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| 摘 要： | 采用离子色谱法测定农村饮用水中F-、Cl-、NO2-、Br-、NO3-和SO42-等6种阴离子的含量。水样经Ion Pac AG19保护柱及Ion Pac AS19分离柱分离,以20.00mmol·L-1氢氧化钾溶液为淋洗液,采用抑制电导器检测。F-、NO2-和Br-在4mg·L-1以内,Cl-、NO3-和SO42-在40mg·L-1以内呈线性关系,检出限(2S/N)在0.002～0.012mg·L-1之间。方法用于水样中6种阴离子的测定,加标回收率在98.0%～101.3%之间,相对标准偏差(n=6)在0.83%～2.7%之间。
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| 关 键 词： | 离子色谱法 农村饮用水 阴离子 |
IC Determination of Anions in Rural Drinking Water |
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| WEI Yi-hua,ZHANG Jin-yan,LUO Lin-guang.IC Determination of Anions in Rural Drinking Water[J].Physical Testing and Chemical Analysis Part B:Chemical Analgsis,2012(2):213-214,218. |
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| Authors: | WEI Yi-hua ZHANG Jin-yan LUO Lin-guang |
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| Institution: | 1,2,3*(1.Research Institute for Quality,Safety and Standards of Agro-Products;2.Supervision,Inspection and Testing Center for Quality of Meat and Meat-products,Ministry of Agriculture;3.Key Lab.for Quality and Safety of Agro-Products,Jiangxi Provincial Academy of Agriculture,Nanchang 330200,China) |
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| Abstract: | Contents of 6 anions,including F-,Cl-,NO2-,Br-,NO3-and SO42-,in rural drinking water were determined by ion chromatography.Ion Pac AG19 protective column and Ion Pac AS19 separation column were used for separation and 20.00 mmol·L-1 KOH solution was used as eluant.Inhibitory conductivity detection was adopted in the determination.Linearity for F-,NO2-and Br-was found to be in the same ranges within 4 mg·L-1,and linearity for Cl-,NO3-and SO42-was found in the same range within 40 mg·L-1,with detection limit(2S/N) in the range of 0.002-0.012 mg·L-1.The proposed method was applied to the determination of the 6 anions in rural drinking water,values of recovery found by standard addition method were in the range of 98.0%-101.3%,and RSD′s(n=6) were found in the range of 0.83%-2.7%. |
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| Keywords: | Ion chromatography Rural drinking water Anions |
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