Characterization of the new isotopic reference materials IRMM-524A and ERM-AE143 for Fe and Mg isotopic analysis of geological and biological samples

2020 ◽  
Vol 35 (11) ◽  
pp. 2517-2529
Author(s):  
Claudia González de Vega ◽  
Stepan M. Chernonozhkin ◽  
Rosa Grigoryan ◽  
Marta Costas-Rodríguez ◽  
Frank Vanhaecke

Isotopic reference materials (IRMs) are crucial for securing accurate and precise isotope ratio measurements of non-traditional stable isotopic systems and for enabling comparison of isotope ratio data obtained at different labs.

2016 ◽  
Vol 31 (1) ◽  
pp. 179-196 ◽  
Author(s):  
Björn Brandt ◽  
Jochen Vogl ◽  
Janine Noordmann ◽  
Angela Kaltenbach ◽  
Olaf Rienitz

Isotope mixtures for the ab initio-calibration of Mg isotope ratio measurements were prepared with unrivalled relative expanded uncertainties as low as 0.005%.


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