| 极谱法测定地质样品中锡的方法改进 |
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| 引用本文： | 和振云,高丽,陈世焱,祝建国.极谱法测定地质样品中锡的方法改进[J].分析测试技术与仪器,2015(2):80-87. |
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| 作者姓名： | 和振云 高丽 陈世焱 祝建国 |
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| 作者单位： | 国土资源部 兰州矿产资源监督检测中心,甘肃 兰州,730050 |
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| 基金项目： | 甘肃省科技计划资助(项目编号:1306FTGA011). |
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| 摘 要： | 过氧化钠熔融分解样品,热水浸提,试样经铍盐做共沉淀剂,用乙二胺四乙酸(EDTA)消除钙、镁等的影响,在盐酸-氯化铵底液中,用极谱法对锡进行测定,改进并简化了国标方法.对极谱法测定地质样品中锡从熔矿方式、测试温度以及干扰元素的影响及消除等方面进行探讨,并对仪器的工作条件进行优化.锡的方法检出限为10.0μg/g.方法经标准物质验证,测定值与标准值相吻合,并进行不同仪器和方法的对比实验,结果一致,准确度高.方法精密度(RSD,n=12)低于2%.方法效率高、测定结果准确可靠,已应用于大量地质样品的分析中.
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| 关 键 词： | 极谱法 地质样品 锡 方法改进 |
| 收稿时间： | 2015/1/26 0:00:00 |
| 修稿时间： | 2015/6/15 0:00:00 |
Improvement of Method for Determination of Tin in Geological Samples by Polarography |
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| HE Zhen-yun,GAO Li,CHEN Shi-yan and ZHU Jian-guo.Improvement of Method for Determination of Tin in Geological Samples by Polarography[J].Analysis and Testing Technology and Instruments,2015(2):80-87. |
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| Authors: | HE Zhen-yun GAO Li CHEN Shi-yan and ZHU Jian-guo |
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| Institution: | Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, The Ministry of Land and Resources, Lanzhou 730050, China;Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, The Ministry of Land and Resources, Lanzhou 730050, China;Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, The Ministry of Land and Resources, Lanzhou 730050, China;Lanzhou Testing and Quality Supervision Center for Geological and Mineral Products, The Ministry of Land and Resources, Lanzhou 730050, China |
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| Abstract: | |
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| Keywords: | polarography geological samples tin method improvement |
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