ASTM D2427 Standard Test Method for Determination of C2 through C5 Hydrocarbons in Gasolines by Gas Chromatography
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ASTM International
Standard Test Method for Determination of C2 through C5 Hydrocarbons in Gasolines by Gas Chromatography
N D2427
Annotation
This test method covers the determination of the two (C2) through five(C5-) carbon paraffins and mono-olefins in gasolines. The concentrations by volume or mass (weight) of the following components are generally reported:
Ethylene plus ethane
Propane
Propylene
Isobutane
n-Butane
Butene-1 plus isobutylene
trans-Butene-2
cis-Butene-2
Isopentane
3-Methylbutene-1
n-Pentane
Pentene-1
2-Methylbutene-1
trans-Pentene-2
cis-Pentene-2
2-Methylbutene-2
This test method does not cover the determination of cyclic olefins, diolefins, or acetylenes. These are usually minor components in finished gasolines.
Samples to be analyzed should not contain significant amounts of material boiling lower than ethylene.
The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
