Patent ID: 8853626
Filing Date: 2014-10-07
Classification: G01N,H01J,H05H

Abstract:
1. An ionization apparatus comprising: a barrier discharge tube portion; a sample introducing tube portion; an ion supply tube portion; and an ionization chamber comprising an ionization chamber wall; wherein said barrier discharge tube portion has a portion formed by a dielectric material and is equipped with an outer electrode and an inner electrode that are disposed respectively on an outer circumferential surface side of and internally of the dielectric portion; said sample introducing tube portion contains a sample introducing port that leads to the external environment; said ionization chamber is a closed space, wherein the ionization chamber is located forward of said barrier discharge tube portion and is directed toward one end of the ion supply tube portion from the other end of said sample introducing tube portion, by said ionization chamber wall; and said ion supply tube portion has an ion supply port, which leads to the analysis apparatus, at the other end thereof.