| 原子吸收法间接测定水中的硫酸根 |
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| 引用本文： | 侯占忠. 原子吸收法间接测定水中的硫酸根[J]. 河北北方学院学报(社会科学版), 2003, 19(6): 65-71 |
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| 作者姓名： | 侯占忠 |
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| 作者单位： | 河北北方学院化学系,张家口,075000 |
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| 摘 要： | 根据SO42-与Ba2+反应生成BaSO4沉淀,用原子吸收法测定溶液中剩余的Ba2+,进而间接求出水中的SO42-含量.在5ml水样中加入1.75mlBa2+(1mg/ml),经一定时间的陈化后,用原子吸收法测定水样中的Ba2+,利用先作好的标准曲线,得到水样中的SO42-的量.用于不同类型的水样分析,对于河水中的硫酸根的测定标准偏差为0.0012,相对标准偏差为2.87％.
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| 关 键 词： | 原子吸收法 水 钡离子(Ba2+) 硫酸根(SO42-) |
| 文章编号： | 1008-2727(2003)03-065-07 |
| 修稿时间： | 2003-06-10 |
The Indirect Determination of the Acid Radical in Water with Atomic Absorption |
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| Hou Zhanzhong. The Indirect Determination of the Acid Radical in Water with Atomic Absorption[J]. Journal of Hebei North University, 2003, 19(6): 65-71 |
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| Authors: | Hou Zhanzhong |
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| Abstract: | This paper studies the application of the method of Atomic Absorption to determine the content of SO42- in water indirectly. In accordance with the reaction between SO42- and Ba2+ with the sediment of BaSO4, this paper expounds the application of Atomic Absorption in determining the remaining Ba2+ in the solution and the indirect calculation of the content of SO42- in water. The procedures are as follows: put Ba2+ 1. 75ml of (1mg/ml) in the water sample; after a certain time, determine the content of Ba2+ in the water sample with the Method of Atomic Absorption; then by the means of a prepared standard curve the content of SO42- in water can be obtained. This method can also be applied in the analysis of various types of water sample. The standard deviation in the determination of SO42- in river water is 0.0012 and comparative standard deviation is 2.87%. |
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| Keywords: | Method of Atomic Absorption water SO42- Ba2+ |
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