Evaluation of the Inter-laboratory Comparison Results for Sr Isotope Ratio Determination of Geological Samples

LU Shan-Song; YANG Hong-Mei; MEI Yu-Ping; ZHANG Chun-Hong; DUAN Gui-Ling; ZHANG Li-Guo

doi:10.3969/j.issn.2097-0013.2024.01.013

2024 Vol. 40, No. 1

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Article navigation > South China Geology > 2024 > 40(1): 171-178

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LU Shan-Song, YANG Hong-Mei, MEI Yu-Ping, ZHANG Chun-Hong, DUAN Gui-Ling, ZHANG Li-Guo. 2024. Evaluation of the Inter-laboratory Comparison Results for Sr Isotope Ratio Determination of Geological Samples. South China Geology, 40(1): 171-178. doi: 10.3969/j.issn.2097-0013.2024.01.013

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LU Shan-Song, YANG Hong-Mei, MEI Yu-Ping, ZHANG Chun-Hong, DUAN Gui-Ling, ZHANG Li-Guo. 2024. Evaluation of the Inter-laboratory Comparison Results for Sr Isotope Ratio Determination of Geological Samples. South China Geology, 40(1): 171-178. doi: 10.3969/j.issn.2097-0013.2024.01.013

Evaluation of the Inter-laboratory Comparison Results for Sr Isotope Ratio Determination of Geological Samples

Wuhan Center, China Geological Survey (Geosciences Innovation Center of Central South China),Wuhan 430205, Hubei, China

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Corresponding author: ZHANG Li-Guo

Received Date: 18 September 2023

Revised Date: 30 October 2023

Abstract

Abstract

As a mature method and conventional tracer technology, strontium isotope ratio (⁸⁷Sr/⁸⁶Sr) testing technology is widely used in geology, environment, archaeology and other research, but there has not been a countrywide intra-lab comparison work for this analysis method for a rather long time. To evaluate the strontium isotope ratio testing ability of laboratories in various laboratory, a comparison activity for geological samples has been organized aiming for the strontium isotope ratio determination by statistically analyzing the test results of the participating laboratories. The results show that, among all the data of the yielded Sr isotopes value given from 7 laboratories, 85.7% of them have met the requirement except only one laboratory with unsatisfactory results, indicating that the overall testing capacity and technical level of the participating laboratories are good, but more attention should be paid to the issue of the validity of the separation of samples with high Rb/Sr ratio.
- strontium isotope ratio /
- ⁸⁷Sr/⁸⁶Sr /
- measurement comparison

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References

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