Determination of Niobium, Tantalum, Lithium and Beryllium in Niobium Tantalum Ore by Alkali Fusion Inductively Coupled Plasma Mass Spectrometry

LI Zhen; ZHONG Lixiang; CUI Chengyang; LI Zhiwei

doi:10.3969/j.issn.1000-6532.2024.03.031

2024 No. 3

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Article navigation > Multipurpose Utilization of Mineral Resources > 2024 > 45(3): 200-205

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LI Zhen, ZHONG Lixiang, CUI Chengyang, LI Zhiwei. Determination of Niobium, Tantalum, Lithium and Beryllium in Niobium Tantalum Ore by Alkali Fusion Inductively Coupled Plasma Mass Spectrometry[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(3): 200-205. doi: 10.3969/j.issn.1000-6532.2024.03.031

Citation:

LI Zhen, ZHONG Lixiang, CUI Chengyang, LI Zhiwei. Determination of Niobium, Tantalum, Lithium and Beryllium in Niobium Tantalum Ore by Alkali Fusion Inductively Coupled Plasma Mass Spectrometry[J]. Multipurpose Utilization of Mineral Resources, 2024, 45(3): 200-205. doi: 10.3969/j.issn.1000-6532.2024.03.031

Determination of Niobium, Tantalum, Lithium and Beryllium in Niobium Tantalum Ore by Alkali Fusion Inductively Coupled Plasma Mass Spectrometry

1.
Henan Geological Bureau Geological Disaster Prevention Center, Zhengzhou 450012, Henan, China
2.
Henan Rock Mineral Testing Centers Key Laboratory of Precious Metals Analysis and Exploration Technology, Ministry of Natural Resources, Zhengzhou 450012, Henan, China
3.
North China University of Water Resources and Electric Power, Zhengzhou 450012, Henan, China

Received Date: 20 March 2023

Publish Date: 25 June 2024

Abstract

Abstract

This is an article in the field of mineral analysis and testing. A rapid method for the simultaneous determination of Nb, Ta, Li and Be in Nb Ta ore by alkali fusion inductively coupled plasma mass spectrometry was established. The mixed alkali of sodium peroxide and sodium hydroxide=1:1 is used to decompose the sample. During extraction, niobium, tantalum and other elements are completely precipitated and separated from the liquid. The content of niobium, tantalum, lithium and beryllium in the sample is determined by inductively coupled plasma mass spectrometer after conversion and precipitation with 25 mL of 10% sulfuric acid+10% hydrogen peroxide solution. This method is used to determine the national first-class reference materials GBW 07153, GBW 07155 and GBW 07185. The measured values of each element are basically consistent with the certified values, with a relative error of 0.50%～4.77% and a relative standard deviation (n=6) of -0.009%～0.008%. It is applicable to the determination of niobium and tantalum in niobium tantalum concentrates, refractory or complex samples, and has been applied in production practice.
- Mineral analysis and testing /
- Alkali fusion /
- Inductively coupled plasma mass spectrometry /
- Niobium /
- Tantalum /
- Lithium /
- Beryllium

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References

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