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ASTM D2421-01

Historical Revision

Standard Practice for Interconversion of Analysis of C<emph type="ital"><inf>5</inf ></emph> and Lighter Hydrocarbons to Gas-Volume, Liquid-Volume, or Mass Basis

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1.1 This practice describes the procedure for the interconversion of the analysis of C 5 and lighter hydrocarbon mixtures to gas-volume (mole), liquid-volume, or weight in vacuum basis.

1.2 The computation procedures described assume that gas-volume percentages have already been corrected for nonideality of the components as a part of the analytical process by which they have been obtained. These are numerically the same as mole percentages.

1.3 The procedure assumes the absence of nonadditivity corrections for mixtures of the pure liquid compounds. This is approximately true only for mixtures of hydrocarbons of the same number of carbon atoms, and in the absence of diolefins and acetylenic compounds.

1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.5 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.


SDO ASTM: ASTM International
Document Number D2421
Publication Date April 10, 2002
Language en - English
Page Count 4
Revision Level 01
Supercedes
Committee D02.H0
Publish Date Document Id Type View
April 1, 2021 D2421-21E01 Revision
April 1, 2021 D2421-21 Revision
Nov. 1, 2019 D2421-19 Revision
June 1, 2018 D2421-18 Revision
June 15, 2013 D2421-13 Revision
April 10, 2002 D2421-95 Revision
April 10, 2002 D2421-02 Revision
April 10, 2002 D2421-01 Revision
May 1, 2007 D2421-02R07 Reaffirmation