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ASTM International - ASTM D976-04b

Standard Test Methods for Calculated Cetane Index of Distillate Fuels

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Organization: ASTM International
Publication Date: 1 December 2004
Status: inactive
Page Count: 3
ICS Code (Liquid fuels): 75.160.20
scope:

1.1 This 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.

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

1.3 The 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 D 976 and aromatics concentration. Test Method D 4737 is the preferred method as estimator of cetane number.

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.

Document History

April 1, 2016
Standard Test Method for Calculated Cetane Index of Distillate Fuels
3.1 The Calculated Cetane Index is one tool available for estimating ASTM cetane number where a test engine is not available for determining this property. It may be employed for approximating cetane...
October 1, 2011
Standard Test Method for Calculated Cetane Index of Distillate Fuels
The Calculated Cetane Index is one tool available for estimating ASTM cetane number where a test engine is not available for determining this property. It may be employed for approximating cetane...
December 1, 2006
Standard Test Method for Calculated Cetane Index of Distillate Fuels
The Calculated Cetane Index is one tool available for estimating ASTM cetane number where a test engine is not available for determining this property. It may be employed for approximating cetane...
December 1, 2004
Standard Test Methods for Calculated Cetane Index of Distillate Fuels
1.1 This 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....
ASTM D976-04b
December 1, 2004
Standard Test Methods for Calculated Cetane Index of Distillate Fuels
1.1 This 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....
August 1, 2004
Standard Test Methods for Calculated Cetane Index of Distillate Fuels
1.1 These test methods cover 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....
June 1, 2004
Standard Test Methods for Calculated Cetane Index of Distillate Fuels
1.1 These test methods cover 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....
January 1, 2000
Standard Test Methods for Calculated Cetane Index of Distillate Fuels
1.1 The Calculated Cetane Index formula 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...
January 1, 1991
Standard Test Methods for Calculated Cetane Index of Distillate Fuels
A description is not available for this item.
January 1, 1980
Standard Test Methods for Calculated Cetane Index of Distillate Fuels
A description is not available for this item.
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