Gas Detector Tubes For Analysis Of Gas Samples In Air And Compressed Breathing Air Cylinder Supply Of Gas Detector Tubes For Analysis Of Gas Samples In Air And Compressed Breathing Air Cylinder , Supply Of Gas Detector Tubes For Determination Of Following Constituents In Gaseous ( Air ) Samples 1-Butanol Vapour 10 - 150 Ppm , Ammonia Gas 10 -300 Ppm , Ammonia Gas 0.5-10% , Chlorine Gas 0.25 - 5 Ppm , Chlorine Gas 2.5-50 Ppm , Hcl Vapour 0.5 To 10 Ppm , Gas Detector Tubes For Determination Of Following Constituents In Compressed Breathing Air Cylinder. Oil Mist 0.2 -5.0 Mg / M3 , Carbon Dioxide 100 - 4000 Ppm , Carbon Monoxide 1- 30 Ppm