| 电感耦合等离子体发射光谱法间接测定石灰岩矿中游离二氧化硅含量 |
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| 引用本文： | 秦明,姚永生,班俊生,朱尧伟,张亚增.电感耦合等离子体发射光谱法间接测定石灰岩矿中游离二氧化硅含量[J].化学分析计量,2019,28(1):35-37,58. |
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| 作者姓名： | 秦明 姚永生 班俊生 朱尧伟 张亚增 |
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| 作者单位： | 河南省有色金属矿产探测工程技术研究中心,河南省有色金属地质矿产局第三地质大队,郑州 450016;河南省有色金属地质矿产局第一地质大队,河南安阳,455004;河南省有色金属地质矿产局第二地质大队,河南平顶山,467021 |
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| 摘 要： | 建立电感耦合等离子体发射光谱法测定石灰岩矿中游离二氧化硅含量。将石灰岩矿样品置于聚四氟乙烯塑料烧杯中,用磷酸于300℃溶解,然后用电感耦合等离子体发射光谱法测定磷酸溶液中的二氧化硅含量。用石灰岩矿样品中的二氧化硅总含量扣除磷酸溶液中的二氧化硅含量得到石灰岩矿中游离二氧化硅的含量。使用基体匹配法校正基体的干扰。测定结果的相对标准偏差为3.08%(n=9),3种标准物质中二氧化硅含量测定值与标准值基本一致。该法操作简单,快速,高效,适用于测定大批量石灰石矿样品中游离二氧化硅的含量,能够满足地质规范要求。
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| 关 键 词： | 关健词电感耦合等离子体发射光谱法 石灰岩矿 聚四氟乙烯 游离二氧化硅 |
Indirect determination of free silica content in limestone ore by inductively coupled plasma atomic emission spectrometry |
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| QIN Ming,YAO Yongsheng,BAN Junsheng,ZHU Yaowei,ZHANG Yazeng.Indirect determination of free silica content in limestone ore by inductively coupled plasma atomic emission spectrometry[J].Chemical Analysis And Meterage,2019,28(1):35-37,58. |
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| Authors: | QIN Ming YAO Yongsheng BAN Junsheng ZHU Yaowei ZHANG Yazeng |
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| Institution: | (Non-Ferrous Mineral Exploration Engineering Research Center of Henan,The 3th Branch of the Bureau of Geological Exploration of Non-Ferrous Metals of Henan,Zhengzhou 450016,China;No.1 Geological Brigade of Henan Nonferrous Geology&Mineral Resources Bureau,Anyang 455004,China;The Second Branch of the Bureau of Geological Exploration of Non-Ferrous Metals of Henan,Pingdingshan 467021,China) |
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| Abstract: | QIN Ming;YAO Yongsheng;BAN Junsheng;ZHU Yaowei;ZHANG Yazeng(Non-Ferrous Mineral Exploration Engineering Research Center of Henan,The 3th Branch of the Bureau of Geological Exploration of Non-Ferrous Metals of Henan,Zhengzhou 450016,China;No.1 Geological Brigade of Henan Nonferrous Geology&Mineral Resources Bureau,Anyang 455004,China;The Second Branch of the Bureau of Geological Exploration of Non-Ferrous Metals of Henan,Pingdingshan 467021,China) |
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| Keywords: | inductively coupled plasma emission spectrometry limestone mine polytetrafluoroethylene free silica |
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