Polytec V Qualitative Analysis Test Tube

Substances:
Hydrogen Chloride
Phosgene, Chlorine, Nitrogen Dioxide
Sulphur Dioxide
Nitrogen Dioxide
Hydrogen Sulfide
Hydrogen Sulfide, Hydrogen Cyanide, Hydrogen Phosphide
Carbon Monoxide, Hydrogen, Hydrogen Phosphide, Acetylene, Ethylene, Propylene, Methyl Mercaptan