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. Author manuscript; available in PMC: 2020 Dec 21.
Published in final edited form as: Geochim Cosmochim Acta. 2019 Jul 17;263:215–234. doi: 10.1016/j.gca.2019.07.021

Table 2.

Cup configuration for Fe isotopic analyses.

Cup L4 L3 L2 L1 C* H1 H2 H3 H4
Line 1 56Fea
Line 2 63Cu 65Cu
Line 3 53Cr 54Fe 55Mn 56Fe 57Fe 58Fe 60Ni
*

denotes 1010 ohm resistor

a

denotes a peak center on 56Fe and not the 56Fe shoulder (i.e., 55.9Fe)