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ASTM D3239-91(2016)

Current Revision

Standard Test Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions by High Ionizing Voltage Mass Spectrometry (Withdrawn 2023)

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1.1 This test method2 covers the determination by high ionizing voltage, low resolution mass spectrometry of 18 aromatic hydrocarbon types and 3 aromatic thiophenotypes in straight run aromatic petroleum fractions boiling within the range from 205 °C to 540 °C (400 °F to 1000 °F) (corrected to atmospheric pressure). Samples must be nonolefinic, must contain not more than 1 % by mass of total sulfur, and must contain not more than 5 % nonaromatic hydrocarbons. Composition data are in volume percent.

Note 1: Although names are given to 15 of the compound types determined, the presence of other compound types of the same empirical formulae is not excluded. All other compound types in the sample, unidentified by name or empirical formula, are lumped into six groups in accordance with their respective homologous series.

1.2 The values stated in acceptable SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

1.3 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.


5.1 A knowledge of the hydrocarbon composition of process streams and petroleum products boiling within the range 205 °C to 540 °C (400 °F to 1000 °F) is useful in following the effect of changes in process variables, diagnosing the source of plant upsets, and in evaluating the effect of changes in composition on product performance properties. This method, when used together with Test Method D2786, provides a detailed analysis of the hydrocarbon composition of such materials.

SDO ASTM: ASTM International
Document Number D3239
Publication Date Oct. 1, 2016
Language en - English
Page Count 15
Revision Level 91(2016)
Supercedes
Committee D02.04.0M
Publish Date Document Id Type View
Oct. 1, 2016 D3239-91R16 Revision
Oct. 1, 2011 D3239-91R11 Reaffirmation
May 1, 2006 D3239-91R06 Reaffirmation
Oct. 15, 1991 D3239-91R01 Reaffirmation
Oct. 15, 1991 D3239-91R96 Reaffirmation