Determination of Trace Rhenium in Sandstone-type Uranium Deposits by Inductively Coupled Plasma-Mass Spectrometry with Magnesium Oxide Sintering

Yan-li WANG; Ming-biao LUO; Lin KE; Zhi-liang XU; Xiao-wei FANG

doi:10.15898/j.cnki.11-2131/td.2016.04.006

2016 Vol. 35, No. 4

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Article navigation > Rock and Mineral Analysis > 2016 > 35(4): 373-377

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Yan-li WANG, Ming-biao LUO, Lin KE, Zhi-liang XU, Xiao-wei FANG. Determination of Trace Rhenium in Sandstone-type Uranium Deposits by Inductively Coupled Plasma-Mass Spectrometry with Magnesium Oxide Sintering[J]. Rock and Mineral Analysis, 2016, 35(4): 373-377. doi: 10.15898/j.cnki.11-2131/td.2016.04.006

Citation:

Yan-li WANG, Ming-biao LUO, Lin KE, Zhi-liang XU, Xiao-wei FANG. Determination of Trace Rhenium in Sandstone-type Uranium Deposits by Inductively Coupled Plasma-Mass Spectrometry with Magnesium Oxide Sintering[J]. Rock and Mineral Analysis, 2016, 35(4): 373-377. doi: 10.15898/j.cnki.11-2131/td.2016.04.006

Determination of Trace Rhenium in Sandstone-type Uranium Deposits by Inductively Coupled Plasma-Mass Spectrometry with Magnesium Oxide Sintering

State Key Laboratory Breeding Base of Nuclear Resources and Environment, East China Institute of Technology, Nanchang 330013, China

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Corresponding author: Ming-biao LUO, mbluo@126.com

Received Date: 03 March 2016

Revised Date: 08 July 2016

Accepted Date: 15 July 2016

Abstract

Abstract

The average content of uranium in sandstone-type uranium deposits is 635 μg/g, whereas the content of rhenium is 0.3-1.9 μg/g. Because of low rhenium content, now precise determination of low Re in high U ores remains unresolved. In this study, a method for the determination of trace Re in sandstone-type uranium deposits by Inductively Coupled Plasma-Mass Spectrometry was developed. Samples were digested by MgO sintering, and were then extracted by hot water. ¹⁰³Rh was used as the internal standard element to eliminate the interferences of uranium, molybdenum and other matrix elements on Re. Under optimum conditions, the detection limit of trace rhenium is 0.12 ng/g, and the recovery is 99.8%. The method was validated by a variety of standard samples, the measured Re contents are in good agreement with the standard values. The relative standard deviation (RSD) is less than 1.5% for Re contents of 0.06-180.57 μg/g, which meets the requirement of determining trace Re in high U ores from sandstone type uranium deposits.
- sandstone-type uranium deposit /
- rhenium /
- sintering method /
- Inductively Coupled Plasma-Mass Spectrometry

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References

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