Ion Chemistry Laboratory
Centre for Research in Mass Spectrometry
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ICP/MS "Matrix" Ions

Reactants Primary Products k(cm3 molec-1 s-1) Reference
ArO+ + NH3 NH3+ 1.4 × 10-9 1
ArO+ + CO CO2+ 5.1 × 10-10 1
ArO+ + H2 H2O+, ArOH+ 3.7 × 10-10 1
ArO+ + N2 N2O+ 1.6 × 10-10 1
Ar2+ + CO CO+, ArCO+ 7.3 × 10-10 1
Ar2+ + H2 ArH+, ArH2+ 6.3 × 10-10 1
Ar2+ + NH3 NH3+ 3.1 × 10-10 2
Ar2+ + N2O N2O+ 6.2 × 10-10 1
ClO+ + NO2 NO+, NO2+ 8.7 × 10-10 1
ClO+ + NH3 NH3+ 6.0 × 10-10 3
ClO+ + O2 - < 10-13 1
ClO+ + H2 - < 10-13 1
ClO+ + CO - < 10-13 1
ClO+ + N2O - < 10-13 1
ArC+ + O2 O+ 6.5 × 10-10 2
References: 1. J. Anal. At. Spectrom., 2000, 15, 1207−1210 2. Analysed but Unpublished 3. Analysed but Unpublished, supersedes value in Reference 1
Ion Chemistry Laboratory, York University 4700 Keele Street, Toronto, Ontario M3J 1P3