S600+ Instruction Manual
C-22 Chromatographs Revised July-2017
The mole percentage reported for code 108 is calculated as:
Cnas(hexane) = Cna(C6+) x 0.47466
Cnas(heptane) = Cna(C6+) x 0.35340
Cnas(octane) = Cna(C6+) x 0.17194
Cnas (C6+) = 0.0
Be sure to carry forward the other mole percentages from Cna to Cnas.
The mole percentage reported for code 109 is calculated as:
Cnas(hexane) = Cna(C6+) x 0.5
Cnas(heptane) = Cna(C6+) x 0.5
Cnas(octane) = Cna(C6+) x 0.0
Cnas (C6+) = 0.0
Be sure to carry forward the other mole percentages from Cna to Cnas.
The mole percentage reported for code 110 is calculated as:
Cnas(hexane) = Cna(C6+) x 0.5
Cnas(heptane) = Cna(C6+) x 0.25
Cnas(octane) = Cna(C6+) x 0.25
Cnas (C6+) = 0.0
Be sure to carry forward the other mole percentages from Cna to Cnas.
The mole percentage reported for code 111 is calculated as:
Cnas(hexane) = Cna(C6+) x 0.57143
Cnas(heptane) = Cna(C6+) x 0.28572
Cnas(octane) = Cna(C6+) x 0.14285
Cnas (C6+) = 0.0
Be sure to carry forward the other mole percentages from Cna to Cnas.
C.9.5 C7+ Handling
Chromatographs often report mole percentages up to C7, but you may
need to break these percentages down to identify heptane, octane,
nonane, and decane components. Use the following formulas.
Note: If included, this breakdown must add up to 100.0.
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