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. Author manuscript; available in PMC: 2009 Feb 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2007 Nov 1;19(2):173–189. doi: 10.1016/j.jasms.2007.10.018

Scheme 2.

Scheme 2

Three methods for effecting transmission mode ion/ion reaction experiments in a LIT: (I) passing ions of both polarities, (II) positive ion storage/negative ion transmission, (III) positive ion transmission/negative ion storage.