| 等离子体原子发射光谱法间接测定铁红中微量硫酸根的研究 |
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| 引用本文： | 徐立.等离子体原子发射光谱法间接测定铁红中微量硫酸根的研究[J].广东有色金属学报,2001,11(1):71-74. |
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| 作者姓名： | 徐立 |
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| 作者单位： | 广州有色金属研究院分析检测研究中心 广东广州 |
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| 摘 要： | 用一定量的Ba^2 将铁红（Fe2O3）中的SO4^2-以BaSO4形式分离，然后用等离子体光谱法测定余量的Ba^2 ，从而间接测得SO4^2-的含量，该法操作简便、检测快速，相对标准偏差小于9.0%（n=5），加料回收率93.0%-99.3%。
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| 关 键 词： | 铁红 硫酸根 ICP－AES 测定 颜料 |
Indirect determination of micro SO_4~(2-) in iron oxide red using inductive coupling plasma atomic emission spectrometry |
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| XU Li.Indirect determination of micro SO_4~(2-) in iron oxide red using inductive coupling plasma atomic emission spectrometry[J].Journal of Guangdong Non-Ferrous Metals,2001,11(1):71-74. |
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| Authors: | XU Li |
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| Abstract: | In this paper, a method is proposed in which a certain amount of Ba2+ is added into a iron oxide red (Fe2O3) solution so that SO2-4 in it is separated in the form of BaSO4, the ex-tra Ba2+ in the solution is then determined by ICP-AES, thus the content of SO2-4 is indirectly determined. The method is simple in operation, fast in detecting, with the relative stan-dard deviation less than 9. 0% (n=5) and the addition recovery of 93. 0%~99. 3%. |
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| Keywords: | ICP-spectrometry iron oxide red SO2-4 Ba2+ |
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