Determination of rare earth elements in vanadium-titanium magnetite by ICP-MS

Liu Shujun; Lei Yong; Zhao Chaohui; Yi Jianchun; Wang Hongbin

doi:10.7513/j.issn.1004-7638.2024.03.028

Volume 45 Issue 3

Jul. 2024

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Liu Shujun, Lei Yong, Zhao Chaohui, Yi Jianchun, Wang Hongbin. Determination of rare earth elements in vanadium-titanium magnetite by ICP-MS[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(3): 200-204. doi: 10.7513/j.issn.1004-7638.2024.03.028

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Liu Shujun, Lei Yong, Zhao Chaohui, Yi Jianchun, Wang Hongbin. Determination of rare earth elements in vanadium-titanium magnetite by ICP-MS[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(3): 200-204. doi: 10.7513/j.issn.1004-7638.2024.03.028

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Determination of rare earth elements in vanadium-titanium magnetite by ICP-MS

doi: 10.7513/j.issn.1004-7638.2024.03.028

1.
Institute of Comprehensive Utilization of Mineral Resources, Chinese Academy of Geological Sciences, Rare Earth Resources Application Technology Innovation Center of China Geological Survey, Sichuan Rare Earth Technology Innovation Center, Technology Innovation Center for Comprehensive Utilization of Strategic Mineral Resources, Chengdu 610041, Sichuan, China;
2.
Pangang Group Mining Co., Ltd., Panzhihua 617000, Sichuan, China

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Received Date: 2023-10-10
Publish Date: 2024-07-02

Abstract

Abstract

Accurate and rapid determination of rare earth elements in vanadium titanium magnetite plays an important role in the efficient utilization of vanadium titanium magnetite. In view of the lack of analysis methods for rare earth elements in vanadium titanium magnetite at home and abroad, 5 representative vanadium titanium magnetite crystals from different mining areas were selected as test samples, and hydrofluoric acid, nitric acid and sulfuric acid mixed acid solution decomposition method were adopted. Combined with the characteristics of inductively coupled plasma mass spectrometer with low detection limit, high sensitivity and low interference, the instrument conditions, internal standard elements, isotope selection and mass spectrum interference during the determination of rare earth elements in vanadium titanium magnetite were studied. The results show that the signal intensity drift caused by matrix effect can be effectively reduced by using STD mode, selecting the isotopes with small interference and large abundance, and selecting the appropriate internal standard elements Rh and Re under the conditions of the optimal instrument parameters. In addition, it is found by the precision tests and standard recovery tests that the inductively coupled plasma mass spectrometry method can obtain good precision and accuracy for the determination of rare earth elements in vanadium titanium magnetite.
- vanadium titanium magnetite,
- rare earth elements,
- inductively coupled plasma mass spectrometry(ICP-MS),
- accuracy,
- precision

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References(18)

References

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