
Carbon Dioxide Purity Levels
These are typical purity levels. We are able to supply many other grades, certified gases and mixes to fit your requirements.
Welding / Industrial Grade 2.8
minimum purity 99.8%, H2O < 32 ppm
Carbon Dioxide Bone Dry 3.0
min purity 99.9%
Carbon Dioxide Instrument (Coleman) 4.0
min purity 99.99%, O2 < 15 ppm, H2O < 10 ppm
Carbon Dioxide Research 4.8
min purity 99.998%, O2 < 2 ppm, H20 < 3 ppm, N2 < 10 ppm, THC < 4 ppm, CO < 0.5 ppm

