Comparison of reactant and analyte ions for 63Nickel, corona discharge, and secondary electrospray ionization sources with ion mobility-mass spectrometry

► First comparison of the CD, SESI, and 63Ni ionization sources' reactant ion chemistry. ► First comparison of the CD, SESI, and 63Ni ionization sources' analyte ion chemistry. ► Previously unreported mass-identified, K0 values for ion species produced by explosives.