Measurable gas:Petrochemical industry: methanol, ethanol, acetic acid, aniline, styrene, etc;
Fire protection industry: AC, acetone, CS2, nitric acid, hydrazine, benzene, etc;
Other chemicals: hydrazine, ASH3, H2S, NF3, HCL, SO2, etc;
Military poison gases: VX, GA, GD, S