... : packed column, capillary columnWorkstation Version: EnglishMajor application fields1. Building Indoor Environment Testing (Benzene, toluene, xylene, TVOC,NMTHC)2. Natgas, Artificial Gas, Coal ... , methane, ethane, ethylene, acetylene, carbon monoxide, carbon dioxide)6. Petrochemical Testing and Fine Chemicals (crude oil, gasoline, essence)Features1. GC9310 gas ...