ASTM International - ASTM D4737-96a

Standard Test Method for Calculated Cetane Index by Four Variable Equation

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Organization: ASTM International
Publication Date: 10 November 1996
Status: historical
Page Count: 3
scope:

1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM cetane number of distillate fuels from density and recovery temperature measurements. The value computed from the equation is termed the Calculated Cetane Index by Four Variable Equation.

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

1.3 The test method "Calculated Cetane Index by Four Variable Equation" is particularly applicable to Grade 1-D and Grade 2-D diesel fuel oils containing straight-run and cracked stocks, and blends of the two. It can also be used for heavier fuels with 90% recovery points less than 382°C and for fuels containing non-petroleum derivatives from tar sands and oil shale.

1.4 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

July 1, 2016
Standard Test Method for Calculated Cetane Index by Four Variable Equation
1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM cetane number (Test Method D613) of distillate fuels from density and distillation recovery...
August 1, 2010
Standard Test Method for Calculated Cetane Index by Four Variable Equation
1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM cetane number (Test Method D613) of distillate fuels from density and distillation recovery...
December 1, 2009
Standard Test Method for Calculated Cetane Index by Four Variable Equation
1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM cetane number (Test Method D613) of distillate fuels from density and distillation recovery...
October 1, 2009
Standard Test Method for Calculated Cetane Index by Four Variable Equation
1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM cetane number (Test Method D613) of distillate fuels from density and distillation recovery...
December 1, 2004
Standard Test Method for Calculated Cetane Index by Four Variable Equation
DESIG: D4737 03 ^TITLE: Standard Test Method for Calculated Cetane Index by Four Variable Equation ^ 1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM...
July 10, 2003
Standard Test Method for Calculated Cetane Index by Four Variable Equation
DESIG: D4737 03 ^TITLE: Standard Test Method for Calculated Cetane Index by Four Variable Equation ^ 1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM...
ASTM D4737-96a
November 10, 1996
Standard Test Method for Calculated Cetane Index by Four Variable Equation
1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM cetane number of distillate fuels from density and recovery temperature measurements. The value...
November 10, 1996
Standard Test Method for Calculated Cetane Index by Four Variable Equation
1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM cetane number of distillate fuels from density and recovery temperature measurements. The value...
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