... TVOC,NMTHC)2. Natgas, Artificial Gas, Coal-Mine Gas, LPG, Mixed Gas, High Purity Gas (Ar,He,O2,N2,CO2)3. Food Additives & Pesticide Residue ( ... , the column oven temperature can be programmable to five-stage heat up. Itcan also microcomputerized the FID amplifier range ... system stability.Capillary Sample settings shunt / no shunt are two types of flexibility to the circuit control section with ...