Dissociation characteristics of α,ω-dihydride poly(dimethylsiloxane) ammonium adducts generated by electrospray ionization

► CID of ammonium adducts of hydride-terminated PDMS has been established. ► The same three main ions are always produced, regardless of the precursor ion size. ► Reactivity of hydride end-groups is emphasized for smallest oligomers. ► Perfect similarity is obtained for MS/MS spectra of highest congeners.