... single packed column structure and a separate set of capillary shunt valve, it can be installed capillary flow, and ... temperatures when the phenomenon of mistake peaks.8. GC9310 gas chromatograph using a digital flow control valve knob adjustment, intuitive ... (with power) FPD NPD FIDECDTop air sampler Gas generator of nitrogen, hydrogen,air & Gas purifierPacked columnsCapillary columns Chromatograph ...