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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: J Anal Toxicol. 2015 Feb 27;39(5):347–352. doi: 10.1093/jat/bkv016

Table 1.

Instrument modes and internal standard assignments

Element, Isotope Instrument Mode Cell Gas Quantitated Ion Quantitated Mass Internal Standard
9Be Single Quad None 9Be+ 9 193Ir+
204+206+207+208Pb Single Quad None 204, 206, 207, 208Pb+ 204 + 206 + 207 + 208 193Ir+
238U Single Quad None 238U+ 238 169Tm+
52Cr MS/MS NH3 52Cr(NH3)2+ 86 103Rh(NH3)4+
59Co MS/MS NH3 59Co(NH3)2+ 93 103Rh(NH3)4+
55Mn MS/MS O2 55MnO+ 71 103RhO+
60Ni MS/MS O2 60NiO+ 76 103RhO+
75As MS/MS O2 75AsO+ 91 125TeO+
80Se MS/MS O2 80SeO+ 96 125TeO+
111Cd MS/MS O2 111Cd+ 111 193Ir+