| 阴离子树脂预处理-离子色谱法测定核纯氢氧化锂中阴离子杂质 |
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| 引用本文： | 李伯平,王志龙,徐静,崔建勇,郭冬发.阴离子树脂预处理-离子色谱法测定核纯氢氧化锂中阴离子杂质[J].铀矿地质,2019(1):33-37,64. |
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| 作者姓名： | 李伯平 王志龙 徐静 崔建勇 郭冬发 |
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| 作者单位： | 核工业北京地质研究院 |
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| 摘 要： | 采用氨型弱阴离子交换树脂预先对核纯氢氧化锂溶液转型,消除核纯氢氧化锂溶液中的游离氢氧根基体,转型后的溶液采用阴离子色谱法同时测定杂质氟离子、氯离子和硫酸根离子。该方法获得的氟离子、氯离子和硫酸根离子加标回收率优于90%,对应检出限分别为:5.0μg/g、 11.0μg/g和24.0μg/g。
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| 关 键 词： | 核纯氢氧化锂 基体消除 离子色谱 杂质阴离子 |
Determination of Anion Impurities in Nuclear Grade Lithium Hydroxide by Ion Chromatography After NH_2-R Resin Pretreatment |
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| LI Boping,WANG Zhilong,XU Jing,CUI Jianyong,GUO Dongfa.Determination of Anion Impurities in Nuclear Grade Lithium Hydroxide by Ion Chromatography After NH_2-R Resin Pretreatment[J].Uranium Geology,2019(1):33-37,64. |
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| Authors: | LI Boping WANG Zhilong XU Jing CUI Jianyong GUO Dongfa |
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| Institution: | (Beijing Research Institute of Uranium Geology,Beijing 100029,China) |
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| Abstract: | LI Boping;WANG Zhilong;XU Jing;CUI Jianyong;GUO Dongfa(Beijing Research Institute of Uranium Geology,Beijing 100029,China) |
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| Keywords: | nuclear grade lithium hydroxide matrix elimination ion chromatography anion impurities |
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