Natural Gas Standard #1
By Restek
Available in three mixes, from lean to rich. Each has an extended list of C6+ components. Mini-regulator designed specially for these standards.
Concentration: mole
Volume: 13.16L @ 200 psig (1,379 kPa)
Ideal Heating Value (Dry BTU/SCF): 1,048 gross
Compound, % of each compound*
Nitrogen, 1.000%
Carbon dioxide, 0.500%
Methane UHP, 94.750%
Ethane UHP, 2.000%
Propane, 0.750%
Isobutane, 0.300%
N-Butane, 0.300%
Isopentane, 0.150%
N-Pentane, 0.150%
Hexanes plus**, 0.100%
*Precise concentrations are provided on the data sheet included with each cylinder and may vary slightly from those listed here.