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Team TFS
Team TFS
1) State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China, 2) CAS Key Laboratory of Marginal Sea Geology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China
Journal of Analytical Atomic Spectrometry (2013), V28, pp1926-1931, doi: 10.1039/C3JA50229E
Precise measurement of stable neodymium isotopes of geological materials by using MC-ICP-MS
Jinlong Ma (1), Gangjian Wei (1), Ying Liu (1), Zhongyuan Ren (1), Yigang Xu (1) and Yonghong Yang (2)
A method has been developed to determine high-precision stable Nd isotopic compositions in geological samples by multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) using sample-standard-bracketing (SSB) mode. The internal precision for the stable Nd isotopic compositions, ε142Nd, ε145Nd, ε146Nd and ε148Nd were generally better than ±0.2 (2 SEM), and the external precision was generally better than ±0.2 (1 SD) for ε142Nd, ε145Nd and ε146Nd, and better than ±0.5 (1 SD) for ε148Nd based on the long-term results of the Nd standard solutions, such as La Jolla, Nd-GIG and NIST 3135a. Both the internal and external precisions are comparable to those by double-spike method.
  • Neptune
  • Stable Nd isotopes
  • La Jolla
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