(MDL) 同位体 干渉多原子イオン 7Li --- 11B --- 23Na --- 25Mg --- 31P 14N16O1H+ 34S 16O18O+ 39K --- 44Ca --- 52Cr 40Ar12C+,35Cl16O1H+,36Ar16O+ 55Mn 40Ar14N1H+,40Ar15N+ 56Fe 40Ar16O+,40Ca16O+ 60Ni 44Ca16O+ 65Cu --- 66Zn