Natural Gas Standard #2
By Restek
Available in three mixes, from lean to rich. Each has an extended list of C6+ components.
Concentration: mole
Volume: 13.16L @ 200 psig (1,379 kPa)
Ideal Heating Value (Dry BTU/SCF): 1,142 gross
Compound, % of each compound*
Nitrogen, 2.500%
Carbon dioxide, 1.000%
Methane UHP, 85.250%
Ethane UHP, 5.000%
Propane, 3.000%
Isobutane, 1.000%
N-Butane, 1.000%
Isopentane, 0.500%
N-Pentane, 0.500%
Hexanes plus, 0.250%
*Precise concentrations are provided on the data sheet included with each cylinder and may vary slightly from those listed here.