Patent ID: 8882894
Filing Date: 2014-11-11
Classification: G01N

Abstract:
1. A vaporization injector for gas chromatographs, comprising a fixed part constituting a block and a removable part constituting an injector body, designed to receive an injected sample, directly or in a replaceable liner, said injector body comprising: a housing head for a replaceable septum, having a detachable covering element, and means for the supply of carrier gas and/or for the evacuation of splitting gas and/or purge gas from the septum, wherein: a) said injector body having a counter-surface and being mounted with said counter-surface on a surface of said block in a detachable manner; b) said gas supply and evacuation means including (i) channels disposed in said injector body and a plurality of apertures disposed on said counter surface of said injector body in communication with said channels, and (ii) a plurality of apertures disposed on said surface of said block, whereby said apertures of said injector body coincide and are in communication with said apertures of said block surface; c) pneumatic seals are provided at the interface between the coinciding apertures of said injector body and those of said block; and d) pneumatic seal means are provided to separate the paths of the gases inside said injector body.