Nitrous Oxide/ N2O

6N

Carbon Dioxide / CO2

Helium / He

6N

Difluoromethane / CH2F2

5N5

Trifluoromethane / CHF3

5N5

Hexafluorobutadiene / C4F6

4N

Octafluorocyclobutane / C4F8

5N

20% Fluorine Nitrogen / 20%F2/N2

3N

Hexafluoroethane / C2F6

5N5