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Electrochemical

Combustible

Photoionization

Carbon Dioxide Infrared

Refrigerants

Ammonia Acetylene Acetaldehyde Carbon Dioxide Refrigerants
Arsine Acetone Benzene    
Bromine Butane      
Carbon Monoxide Ethane Ethyl Alcohol    
Chlorine Ethanol Isobutylene    
Chlorine Dioxide Ethylene Isopropyl Alcohol    
Ethylene Oxide Ethlyene Oxide Phenol    
Flourine Gasoline      
Formaldehyde Heptane      
Hydrazine Hexane      
Hydrogen Hydrogen      
Hydrogen Chloride Isopropyl Alcohol      
Hydrogen Cyanide Methane      
Hydrogen Flouride Methanol      
Hydrogen Peroxide Nonane      
Hydrogen Sulfide Pentane      
Methanol Propane      
Nitric Oxide Propylene      
Nitrogen Dioxide Styrene      
Oxygen Toluene      
Ozone Vinyl Chloride      
Phosphine (PH3)        
Silane (SiH4)        
Sulfur Dioxide        
Tert-Butyl Mercaptan (TBM)        
VOC