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| Determination of Antimony in Ores by Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) |
| Received:May 14, 2017 Revised:August 15, 2017 |
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| DOI：doi:10.3969/j.issn.2095-1035.2017.04.013 |
| KeyWord:inductively coupled plasma-opticalemission spectrometry, ICP-OES; ores; antimony content |
| Author | Institution |
| CHEN Li Zhu |
国土资源部昆明矿产资源监督检测中心，云南 大理 |
| CAO Sheng |
国土资源部昆明矿产资源监督检测中心，云南 大理 |
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| Abstract: |
| To solve the existing problem in the method of dissolving and measurement in inductively coupled plasma - optical emission spectrometry (ICP-OES),effects of nitric acid, hydrofluoric acid-, perchloric acid on the dissolution and determination of the samples were investigated. After dissolving in nitric acid, hydrofluoric acid, perchloric acid and sulfuric acid, the concentration was determined by ICP-OES in hydrochloric acid.The limit of detection is lower than 1.32μg/g;the limit of determination is below 5.28 μg/g;and relative standard deviation is less than 5%.The method is simple,easy and accurate; and verified by standard samples and test samples. This proposed methodis an effective supplement to the existing detection methods of antimony in ores. |
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