26 Reference Information
Gas List by Category
See previous page for Gas Select™ index numbers, or page 13 to configure these gases.
Pure Non-Corrosive Gases
Acetylene (CH)
Air (clean, dry)
Argon (Ar)
Isobutane (i-CH)
Normal Butane (n-CH)
Carbon dioxide (CO)
Carbon monoxide (CO)
Deuterium (D)
Ethane (CH)
Ethylene (Ethene) (CH)
Helium (He)
Hydrogen (H)
Krypton (Kr)
Methane (CH)
Neon (Ne)
Nitrogen (N)
Nitrous Oxide (NO)
Oxygen (O)
Propane (CH)
Sulfur Hexafluoride (SF)
Xenon (Xe)
Breathing Gases
Metabolic Exhalant
EAN-
EAN-
EAN-
EA-
EA-
EA-
Heliox-
Heliox-
Heliox-
Heliox-
Heliox-
Heliox-
Heliox-
Heliox-
Bioreactor Gas Mixes
%–% CH/CO in % increments
Refrigerants²
R-
R-
R-
R-
R-
R-
R-
R-
R-
R-a
R-b
R-a
R-a
R-
R-A
R-C
R-A
R-A
Welding Gases
C-
C-
C-
C-
C-
C-
C-
C-
He-
He-
He-
He-
A
Stargon CS
Chromatography Gas Mixes
P-
P-
Oxygen Concentrator Gas Mixes
% O, .% N, .% Ar
% O, .% N, .% Ar
% O, .% N, .% Ar
Stack/Flue Gas Mixes
.% O, .% CO, .% N, .% Ar
.% O, % CO, .% N, .% Ar
.% O, % CO, .% N, .% Ar
.% O, % CO, % N, .% Ar
% O, .% CO, .% N, .% Ar
% O, .% CO, % N, .% Ar
Laser Gas Mixes
.% CO, .% N, % He
.% CO, % N, % He
.% CO, % N, % He
.% CO, % N, % He
.% CO, .% N, .% He
.% Ne, % He
Fuel Gas Mixes
Coal Gas % H, % CH, % CO, % CH
Endothermic Gas % H, % N
HHO .% H, .% O
LPG HD- .% CH, .% CH, .% CH , .% n-CH
LPG HD- % CH, % CH, % n-CH
Natural Gases
.% CH, .% CH, .% CH, .% N, .% CO
.% CH, .% CH, .% N, .% CO
.% CH, .% CH, .% CH, .% CH, .% N, .% CO
1 Sulfur hexafluoride is a highly
potent greenhouse gas monitored
under the Kyoto Protocol.
2 Corrosive-resistant units only
3 Under the Montreal Protocol and
Kigali Amendment, the production and
consumption of these ozone-depleting
substances (ODS) is being or has
been phased out. It is recommended
you ensure compliance with this
universally ratified treaty before
attempting to use these gases, in
addition to R113, R-123, and R-141b.
Synthesis Gases
% H, % CO, % CO, % CH
% H, % CO, .% CO, . CH
% H, .% CO, % CO, .% CH
% H, % CO, .% CH
Pure Corrosive Gases²
Ammonia (NH)
Butylene (1-Buten)
Cis-Butene (c-Buten)
Isobutene (i-Buten)
Trans-Butene (t-Buten)
Carbonyl Sulfide (COS)
Chlorine (Cl)
Dimethylether (DME)
Hydrogen Sulfide (HS)
Nitrogen Trifluoride (NF)
Nitric Oxide (NO)
Propylene (CH)
Silane (SiH)
Sulfur Dioxide (SO)
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