| 抑制型电导-离子色谱法测定水中无机阴离子 |
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| 引用本文： | 丁雪梅,王红斌,高路,杨树科,赵田甜,门瑞雪,杨敏.抑制型电导-离子色谱法测定水中无机阴离子[J].环境监测管理与技术,2010,22(6):58-60. |
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| 作者姓名： | 丁雪梅 王红斌 高路 杨树科 赵田甜 门瑞雪 杨敏 |
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| 作者单位： | 云南民族大学化学与生物技术学院,云南昆明650500 |
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| 基金项目： | 云南省社会发展科技(应用基础研究)基金资助项目，云南省教育厅科研基金资助项目，大学生创新型实验计划基金资助项目 |
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| 摘 要： | 采用抑制型电导-离子色谱法测定生活饮用水、污水和地表水中F-、Cl-、NO2-、Br-、NO3-、PO43-、SO42-等7种无机阴离子,对清洁水样过滤后直接测定,浑浊样品离心后取上清液过滤测定。F-在0.100 mg/L~1.20 mg/L范围内、其余6种阴离子在1.00 mg/L~12.0 mg/L范围内线性良好,方法检出限为0.031 mg/L~0.47 mg/L,水样平行测定的RSD为0.9%~1.8%,加标回收率为82.6%~110%。
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| 关 键 词： | 无机阴离子 抑制型电导 离子色谱法 水质 |
Determ ination ofInorganic AnionsinW ater by Ion Chromatography with Suppressed Conductivity Detector |
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| DING Xue-mei,WANG Hong-bin,GAO Lu,YANG Shu-ke,ZHAO Tian-tian,MEN Rui-xue,YANG Min.Determ ination ofInorganic AnionsinW ater by Ion Chromatography with Suppressed Conductivity Detector[J].The Administration and Technique of Environmental Monitoring,2010,22(6):58-60. |
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| Authors: | DING Xue-mei WANG Hong-bin GAO Lu YANG Shu-ke ZHAO Tian-tian MEN Rui-xue YANG Min |
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| Institution: | (School of Chemistry and Biotechnology,Yunnan University of Nationalities,Kunming,Yunnan 650500,China) |
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| Abstract: | Seven inorganic anions was determined by ion chromatography with suppressed conductivity detector including F-,Cl-,NO-2,Br-,NO-3,PO3-4 and SO2-4 in drinking water,sewage and surface water.Filtered clean water samples were directly tested but samples which contained suspended solid materials should be centrifuged and filtered for the test.Results showed good linearity for F-ranging from 0.100 mg/L to 1.20 mg/L,for the other six inorganic anions ranging from 1.00 mg/L to 12.0 mg/L;detection limits of the method between 0.031 mg/L and 0.47 mg/L;sample RSD by parallel tests between 0.9% and 1.8%;and average recoveries between 82.6% and 110%. |
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| Keywords: | Inorganic anions Suppressed conductivity Ion chromatography Water quality |
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