ASTM-D7753 2012

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D7753-12 Standard Test Method for Hydrocarbon Types and Benzene in Light Petroleum Distillates by Gas Chromatography

Published By	Publication Date	Number of Pages
ASTM	2012	11

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Categories: 75.160.20 - Liquid fuels, ASTM

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Description

ASTM D7753-12

Historical Standard: Standard Test Method for Hydrocarbon Types and Benzene in Light Petroleum Distillates by Gas Chromatography

ASTM D7753

Scope

1.1 This test method covers and provides for the quantitative determination of total saturates, total olefins, total aromatics and benzene in light petroleum distillates having a final boiling point below 215°C by multidimensional gas chromatography. Each hydrocarbon grouping as well as benzene can be reported in both volume and mass percent.

1.2 This test method is applicable to light petroleum distillates such as oxygenate-free motor gasoline or spark ignition fuels, naphthas and hydrocarbon solvents over the content ranges from 1% (V/V) to 70 % (V/V) total olefins, 1 % (V/V) to 80 % (V/V) total aromatics and 0.2 to 10 % (V/V) benzene. This test method may apply to concentrations outside these ranges, but the precision has not been determined. Interlaboratory testing for precision used full range blending streams, such as FCC, reformates and spark ignition fuel or blended motor gasolines.

1.3 This test method is not intended to determine oxygenated components. Light petroleum distillate products such as motor gasoline may contain oxygenates. Oxygenates such as methyl tert-butyl ether (MTBE), tert-amyl methyl ether (TAME), ethyl tert-butyl ether (ETBE), ethanol and methanol etc. will coelute with specific hydrocarbon groups. If there is any suspicion the sample contains oxygenates, the absence of oxygenates should be confirmed by other standard test methods such as Test Methods D4815, D5599, or D6839 before using this test method.

1.4 This test method is not applicable for the determination of individual hydrocarbon components with the exception of benzene. Test Method D6733 may be used to determine a large number of individual hydrocarbons to complement this test method.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

aromatics; benzene; gas chromatography; gasoline; hydrocarbon type; light petroleum distillates; olefins; saturates; spark ignition fuel

ICS Code

ICS Number Code 75.160.20 (Liquid fuels)

DOI: 10.1520/D7753-12

Additional information

Standard Title	D7753-12 Standard Test Method for Hydrocarbon Types and Benzene in Light Petroleum Distillates by Gas Chromatography
Published Code	ASTM
Publication Date	2012
Pages Count	11
ICS Codes	75.160.20 - Liquid fuels