... , TVOC, NMTHC)Natgas, Artificial Gas, Coal-Mine Gas, LPG, Mixed Gas, High Purity Gas (Ar,He,O2,N2,CO2)Food ... structure and a separate set of capillary shunt valve, it can be installed capillary flow, and ... air samplerGas generator of nitrogen, hydrogen,air & Gas purifierPacked columnsCapillary columnsChromatograph workstationSeptumLiner InsertSyringeConversion furnaceShunt / unshunt samplerPlane ...