Isotope ratio mass spectrometry
A technology of isotope ratio mass spectrometry and mass spectrometer, which is applied to the separation of different isotopic elements, material analysis, material analysis by electromagnetic means, etc., and can solve the problem that ions cannot be observed
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[0026] first reference figure 2 , which depicts a schematic diagram of an isotope ratio mass spectrometry (IRMS) system according to a first embodiment of the present invention in a first configuration. The IRMS system 100 has the figure 1 Some features are the same as those shown in the existing IRMS. Where identical features are indicated, the same reference numerals have been used.
[0027] IRMS system 100 comprises: injector 20; GC column 30; first multiport switching valve 110; second multiport switching valve 120; The sample is introduced into the injection port of the GC column 30 using a gas or liquid syringe (injector 20). Injector 20 provides sample input to GC column 30, which is typically housed in an oven (not shown). Column flow 35 from GC column 30 (distal end of GC column 30 ) is provided as first input 111 to first multiport switching valve 110 . A second input 112 to the first multi-port switching valve 110 is coupled to the helium flow 70 . The first ...
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