Heavy Metals Meeting Book_MYM2023
ICP-MS – Technical challenges – Analysis 2/2
Atomic Mass
Element
Polyatomic interferences
Isobaric interferences
ArCl , CoO, Ar 2 H, ArK, CaO 2 , CaS , NaCAr , CPO 2 , CaC l CoNH, NiN, NiNH ( 40 Ar 35 Cl ) AsAr , MoO, MoOH, SeCl , SeS , ZrOH, BrS, ZnAr, K 2 O 2 H ( 94 Zr 16 O 1 H, 95 Mo 16 O )
75
As
1 5 0 Sm + + , 150 Nd ++
Interferences
111
Cd
Need to use collision or reaction cell to remove main polyatomic interferences
1 1 4 Sn
MoO, MoOH, SeCl , SeS , SeAr , BrCl , BrS, RuO ( 98 Mo 16 O)
114 201 202
Cd Hg Hg
WO WO
PtO, RhRh
206
Pb
IrO
207 208
Pb Pb
PtO, PbH, Hg C
67
2023.03.17
AOAC MidYear Meeting - S . Dubascoux
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