... xylene, TVOC,NMTHC)2. Natgas, Artificial Gas, Coal-Mine Gas, LPG, Mixed Gas, High Purity Gas (Ar,He,O2,N2,CO2)3. ... parameters, setting values and actual values.2. GC9310 gas chromatograph can be installed packed column and capillary column, with column ... air flow in different carrier gas, these separate ways can be adjusted independently.4. GC9310 gas chromatograph column with microcomputer temperature ...