Probe electrospray ionization unit and ion analyzer

摘要

In the probe electrospray ionization unit 10 used to collect and ionize the sample S set on the sample plate 109 using the probe 106, the sample S is fixed to the substrate (11, 12) and the substrate (11, 12). In addition, the sample plate holding portion 108 that holds the sample plate 109 in a predetermined position and the uniaxial movement that is a direction that is close to and away from the sample plate 109 that is held by the sample plate holding portion 108 are allowed, and the like. A probe holding portion 105 for holding the probe 106 and a probe moving mechanism for moving the probe holding portion 105 in the uniaxial direction, which are attached to the bases (11, 12) so as to restrict the movement in the direction of 32, 33) and a voltage application unit 17 that applies a voltage to the probe 106 held by the probe holding unit 15.