High precision determinations of 87Rb/85Rb in geologic materials by MC-ICPMS
In comparison to thermal ionization mass spectrometry (TIMS), multiple collector-inductively coupled plasma mass spectrometry (MC-ICP-MS) is better suited to obtain precise measurements of isotope ratios for elements that have only two stable isotopes such as Rb. The instrumental mass bias of Rb is corrected with admixed Zr following Waight et al. [T. Waight, J. Baker, B. Willigers, Chem. Geol. 186 (1-2) (2002) 99]. The technique presented here uses the 92Zr/90Zr for mass bias correction of the...[Show more]
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|Source:||International Journal of Mass Spectrometry|
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