... , TVOC,NMTHC)2. Natgas, Artificial Gas, Coal-Mine Gas, LPG, Mixed Gas, High Purity Gas (Ar,He,O2,N2,CO2)3. ... & Liquor (methanol, ethanol, ethyl acetate, ethyl butyrate, acetaldehyde)5. Dissolved Gas (hydrogen, methane, ethane, ethylene, acetylene, carbon monoxide, carbon ... and polarity selection, TCD current settings and display.5. GC9310 gas chromatograph also has a temperature limit setting, analysis ...