ASTM Methods D6729, D6730, and D6733 (Determination of Individual Components in Spark Ignition Engine Fuels) are designed for the determination of the individual hydrocarbons present in spark ignition engine fuels, as well as fuel blends containing oxygenates such as methyl tert-butyl ether, ethyl tert-butyl ether, tert-butanol, ethanol, etc.
Compound, Conc (wt/wt%)ParaffinsN-Decane, 1.736%
N-Dodecane, 1.727%
N-Heptane, 1.723%
N-Hexane, 1.729%
N-Nonane, 1.727%
N-Octane, 1.721%
N-Pentadecane, 1.734%
N-Pentane, 1.728%
N-Tetradecane, 1.735%
N-Tridecane, 1.723%
N-Undecane, 1.723%
Isoparaffins3,3-Diethylpentane, 0.364%
2,3-Dimethylbutane, 0.447%
2,3-Dimethylheptane, 0.22%
2,5-Dimethylheptane, 0.733%
3,3-Dimethylheptane, 0.335%
3,4-Dimethylheptane, 0.159%
3,5-Dimethylheptane, 0.445%
2,2-Dimethylhexane, 0.149%
2,4-Dimethylhexane, 0.276%
2,5-Dimethylhexane, 1.112%
2,2-Dimethyloctane, 0.398%
3,3-Dimethyloctane, 0.153%
2,2-Dimethylpentane, 0.463%
2,3-Dimethylpentane, 0.887%
2,4-Dimethylpentane, 1.127%
3,3-Dimethylpentane, 0.438%
3-Ethylhexane, 0.058%
3-Ethyloctane, 0.203%
3-Ethylpentane, 0.168%
Isopentane, 0.304%
2-Methylheptane, 0.899%
3-Methylheptane, 1.122%
4-Methylheptane, 0.286%
2-Methylhexane, 0.891%
3-Methylhexane, 0.451%
2-Methylnonane, 0.3%
3-Methylnonane, 1.001%
2-Methyloctane, 0.245%
3-Methyloctane, 1.329%
2-Methylpentane, 1.211%
3-Methylpentane, 1.998%
2,2,3-Trimethylbutane, 0.125%
2,2,3-Trimethylpentane, 0.698%
Olefins1-Decene, 0.43%
1-Heptene, 1.29%
cis-2-Heptene, 0.649%
trans-2-Heptene, 0.101%
cis-3-Heptene, 0.194%
trans-3-Heptene, 0.712%
1-Hexene, 2.137%
cis-2-Hexene, 0.555%
trans-2-Hexene, 0.31%
2-Methyl-1,3-Butadiene, 0.699%
2-Methyl-1-Butene, 0.42%
3-Methyl-1-Butene, 0.291%
2-Methyl-1-Nonene, 0.648%
2-Methyl-2-Pentene, 0.654%
4-Methyl-1-Pentene, 0.646%
1-Nonene, 1.313%
trans-2-Nonene, 0.434%
cis-3-Nonene, 0.575%
trans-3-Nonene, 0.44%
cis-4-Nonene, 0.829%
1-Octene, 2.155%
cis-2-Octene, 0.439%
trans-2-Octene, 0.656%
1-Pentene, 1.669%
cis-2-Pentene, 0.21%
trans-2-Pentene, 0.542%
NaphthenesCyclohexane, 0.954%
Cyclopentane, 1.891%
cis-1,2-Dimethylcyclohexane, 2.055%
trans-1,2-Dimethylcyclohexane, 0.328%
trans-1,4-Dimethylcyclohexane, 0.941%
trans-1,2-Dimethylcyclopentane, 0.73%
cis-1,3-Dimethylcyclopentane, 0.06%
trans-1,3-Dimethylcyclopentane, 1.16%
Ethylcyclopentane, 1.567%
1-Ethyl-1-Methylcyclopentane, 0.292%
Isobutylcyclohexane, 0.733%
Isobutylcyclopentane, 0.267%
Isopropylcyclopentane, 0.261%
Methylcyclohexane, 0.735%
Methylcyclopentane, 1.184%
t-1-Methyl-2(4-Methylphenyl)cyclopentane, 0.718%
t-1-Methyl-2-N-Propylcyclohexane, 0.927%
N-Propylcyclopentane, 0.874%
1,1,2-Trimethylcyclohexane, 0.368%
1,1,4-Trimethylcyclohexane, 1.261%
ctc-1,2,3-Trimethylcyclohexane, 0.735%
ctc-1,2,4-Trimethylcyclohexane, 0.212%
ctt-1,2,4-Trimethylcyclohexane, 0.368%
ccc-1,3,5-Trimethylcyclohexane, 0.469%
ccc-1,2,3-Trimethylcyclopentane, 0.159%
ctc-1,2,3-Trimethylcyclopentane, 0.747%
AromaticsBenzene, 1.899%
n-Butylbenzene, 0.478%
sec-Butylbenzene, 0.711%
tert-Butylbenzene, 0.473%
tert-1-Butyl-4-Ethylbenzene, 0.478%
tert-1-Butyl-2-Methylbenzene, 0.478%
tert-1-Butyl-3,4,5-Trimethylbenzene, 0.772%
1,2-Dimethyl-3-Ethylbenzene, 0.495%
1,2-Dimethyl-4-Ethylbenzene, 0.21%
1,3-Dimethyl-2-Ethylbenzene, 0.184%
1,3-Dimethyl-5-Ethylbenzene, 0.094%
1,4-Dimethyl-2-Ethylbenzene, 0.478%
Ethylbenzene, 1.897%
Hexylbenzene, 1.186%
Isobutylbenzene, 0.713%
Isopropylbenzene, 0.48%
2-Methylbutylbenzene, 0.027%
1-Methyl-2-Ethylbenzene, 0.361%
1-Methyl-3-Ethylbenzene, 0.643%
1-Methyl-4-Ethylbenzene, 0.476%
1-Methyl-2-Isopropylbenzene, 0.645%
1-Methyl-3-Isopropylbenzene, 0.245%
1-Methyl-4-Isopropylbenzene, 0.949%
1-Methyl-2-
n-Propylbenzene, 0.494%
1-Methyl-3-
n-Propylbenzene, 0.479%
1-Methyl-4-
n-Propylbenzene, 0.477%
Pentylbenzene, 0.473%
N-Propylbenzene, 0.711%
1,2,4,5-Tetramethylbenzene, 0.198%
Toluene, 2.839%
1,2,4-Triethylbenzene, 0.233%
1,3,5-Triethylbenzene, 0.48%
1,2,4-Trimethylbenzene, 0.475%
1,3,5-Trimethylbenzene, 0.097%
m-Xylene, 0.715%
o-Xylene, 0.719%
p-Xylene, 0.239%
