High-precision determination of stable potassium and magnesium isotopes utilizing single column separation and multicollector inductively coupled plasma mass spectrometry

Huang, Chao1; Gu, Hai-Ou1; Sun, He1; Wang, Fangyue1; Chen, Bin2

2021-07-01

10.1016/j.sab.2021.106232

SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY   影响因子和分区

0584-8547

1873-3565

With advances in analytical precision by multicollector inductively coupled plasma mass spectrometry, K and Mg isotopes are increasingly used as a combined tool in tracing sources and processes in geoscientific research. However, reported methods in the literature require at least two column separation procedures during sample purification, which is time-consuming (at least two days). Therefore, a single column procedure could improve efficiencies, and these efforts are necessary to extend the combined application of K and Mg isotopes as geological tracers. In this study, a simple and time-efficient chromatographic procedure was reported, utilizing a single column for quantitative separation of both K and Mg from sample matrices for high-precision isotopic measurement of K and Mg. Using this novel method, the results for international geological standards agreed with published values, verifying the robustness of the procedure. The popularization of this optimized procedure would potentially extend the combined application of K and Mg isotopes in geological studies.

K and Mg isotope measurement Single column separation MC-ICP-MS

SCI ; EI

英语

其他

Natural Science Foundation of China[91962218,41703006,41873034,42030303,41872247] ; Fundamental Research Funds for the Central Universities[JZ2021HGTB0110]

Spectroscopy

Spectroscopy

WOS:000667547300004

PERGAMON-ELSEVIER SCIENCE LTD

CHEMISTRY

Web of Science

1.Hefei Univ Technol, Sch Resources & Environm Engn, Ore Deposit & Explorat Ctr ODEC, Hefei 230009, Peoples R China
2.Southern Univ Sci & Technol, Dept Earth & Space Sci, Shenzhen 518055, Peoples R China

Huang, Chao,Gu, Hai-Ou,Sun, He,et al. High-precision determination of stable potassium and magnesium isotopes utilizing single column separation and multicollector inductively coupled plasma mass spectrometry[J]. SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY,2021,181.

Huang, Chao,Gu, Hai-Ou,Sun, He,Wang, Fangyue,&Chen, Bin.(2021).High-precision determination of stable potassium and magnesium isotopes utilizing single column separation and multicollector inductively coupled plasma mass spectrometry.SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY,181.

Huang, Chao,et al."High-precision determination of stable potassium and magnesium isotopes utilizing single column separation and multicollector inductively coupled plasma mass spectrometry".SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY 181(2021).