MASS ANALYZER AND MASS ANALYZING METHOD

摘要

<P>PROBLEM TO BE SOLVED: To provide a mass analyzer increased in the number of the peaks of detectable fragment ions and using electron capture dissociation. Ž<P>SOLUTION: The mass analyzer is equipped with an ion source 2 for forming ions from a sample, an ion trapping part 3 for performing the accumulation and selection of the ions, an ion dissociation part 4 for performing the electron capture dissociation of the ions and a flight time mass analyzing part 7 for performing the mass analysis of the ions. The reaction time of electron capture dissociation is variable according to the valency of the ions subjected to mass analysis. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž