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ASTM D 976 : 2006 : R2016

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Standard Test Method for Calculated Cetane Index of Distillate Fuels

Available format(s)

Hardcopy , PDF

Superseded date

04-01-2022

Superseded by

ASTM D 976 : 2021

Language(s)

English

Published date

11-05-2016

£50.68
Excluding VAT

CONTAINED IN VOL. 05.01, 2016 Explains the Calculated Cetane Index formula, which represents a means for directly estimating the ASTM cetane number of distillate fuels from API gravity and mid-boiling point.

Committee
D 02
DocumentType
Test Method
Pages
3
ProductNote
Reconfirmed 2016
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1This test method covers the Calculated Cetane Index formula, which represents a means for directly estimating the ASTM cetane number of distillate fuels from API gravity and mid-boiling point. The index value, as computed from the formula, is termed the Calculated Cetane Index.2

1.2The Calculated Cetane Index is not an optional method for expressing ASTM cetane number. It is a supplementary tool to estimate cetane number when used with due regard for its limitations.

1.3The Calculated Cetane Index formula is particularly applicable to straight-run fuels, catalytically cracked stocks, and blends of the two.

Note 1:This test method is temporarily retained because the proposal to the U.S. EPA to control diesel fuel aromatics concentrations via a 40 Calculated Cetane Index minimum is based on the correlation between Test Method D976 and aromatics concentration. Test Method D4737 is the preferred method as estimator of cetane number.

1.4This 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.

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ASTM D 1298 : 2012 : REV A Standard Test Method for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method
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ASTM D 2887 : 2008 Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography
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ASTM D 4737 : 2003 Standard Test Method for Calculated Cetane Index by Four Variable Equation
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ASTM D 4052 : 1996 Standard Test Method for Density and Relative Density of Liquids by Digital Density Meter
ASTM D 2887 : 2019 Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography
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ASTM D 2887 : 2019 : REV A Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography
ASTM D 2887 : 2013 Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography
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ASTM D 2887 : 2015 : EDT 1 Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography
ASTM D 2887 : 2004 Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography
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ASTM D 4737 : 2004 Standard Test Method for Calculated Cetane Index by Four Variable Equation
ASTM D 1298 : 1985 : R1990 : EDT 1 Standard Practice for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method
ASTM D 4052 : 2015 Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
ASTM D 2887 : 2016 : REV A Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography
ASTM D 2887 : 2004 : REV A Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography
ASTM D 2887 : 2003 Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography
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ASTM D 4737 : 2010 Standard Test Method for Calculated Cetane Index by Four Variable Equation

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