| 光谱学与光谱分析 |
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| Study on the Method for Determination of Sulfate in Fe-catalyst by Inductively Coupled Plasma Atomic Emission Spectrometry |
| LIU Dong-yan，GUI Guo-qing |
| State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences，Taiyuan 030001, China |
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Abstract A direct method was reported for the determination of sulfate in iron-catalyst by inductively coupled plasma atomic emission spectrometry (ICP-AES). The samples were dissolved with hydrochloric acid. The interference factors of hydrochloric acid and iron were studied. The results showed that the effect of iron on the test of sulfate was not only to cause background interference but also to depress the intensity of sulfur seriously as well，and the effect increased with the increment of iron amount． Due to the physical in terference，a high concentration of HCl also depresesed the intensity of sulfur． Matrix effect from iron and HCl were corrected by matrix matching method. The recommended method is simple and rapid，and show satisfying precision and accuracy. The recoveries were more than 97%, and the relative standard deviations of six samples were less than 3%.
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Received: 2002-08-08
Accepted: 2002-12-18
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Corresponding Authors:
LIU Dong-yan
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| Cite this article: |
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LIU Dong-yan,GUI Guo-qing. Study on the Method for Determination of Sulfate in Fe-catalyst by Inductively Coupled Plasma Atomic Emission Spectrometry [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(03): 348-350.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I03/348 |
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[4] LIU Dong-yan，ZHANG Yuan-li(刘东艳，张园力). Spectroscopy and Spectral Analysis(光谱学与光谱分析), 2002, 22(1): 89.
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