Membrane feeding device on gas analysis mass spectrometer
A technology of gas analysis and mass spectrometer, which is applied to the parts of particle separator tubes, sample introduction/extraction, etc., which can solve the problems of reduced mass spectrometry sensitivity, small membrane area, inconvenient replacement, etc., to avoid frequent damage, save time and The effect of energy consumption
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[0020] refer to figure 1 , the film sampling device on the gas analysis mass spectrometer of the present invention comprises a pressure film box 13, a front connecting flange 3 and a rear connecting flange 8, and the front connecting flange 3 and the rear connecting flange 8 are all provided with a Groove, the pressure film box 13 is closely matched between the front end connection flange 3 and the rear end connection flange 8 through the groove, and the pressure film box 13 is composed of a pressure film box cover 4, a film 5, a support net 6, The film box body 7 is composed of the film box cover 4 and the film box body 7, and the film 5 and the support net 6 are pressed in between. The space between the film box cover 4 and the film 5 constitutes the sample chamber 12. The space between the net 6 and the lamination box body 7 constitutes a buffer chamber 11 .
[0021] There are two circular through holes in the groove of the front connecting flange 3, the inner diameter is ...
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