Abstract
Resonant laser ablation (RLA) is used as a source to selectively generate multiple metal ion species from the same sample. The capability of rapidly changing metal ions for gas-phase ion chemistry studies is a significant advantage in ion-molecule chemistry. The simple experimental arrangement uses relatively modest laser pulse energies (≤ 25 µJ/pulse) from a tunable dye laser to desorb and selectively ionize different metal atoms from a multicomponent sample. In turn, this allows the chemistry of several components to be investigated without breaking vacuum or altering the experimental geometry. This work demonstrates the use of RLA as a selective source of several reagent metal ions for gas-phase ion chemistry investigations. In particular, the reactivity of acetone with Cr+, Fe+, Ni+, and Cu+ was examined for metal ions selectively created by RLA from a standard steel sample.
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Gill, C.G., Garrett, A.W., Hemberger, P.H. et al. Resonant laser ablation as a selective metal ion source for gas-phase ion molecule reactions. J Am Soc Mass Spectrom 7, 664–667 (1996). https://doi.org/10.1016/1044-0305(96)85612-1
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DOI: https://doi.org/10.1016/1044-0305(96)85612-1