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ASTM D 4737 : 2010 : R2016
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Test Method for Calculated Cetane Index by Four Variable Equation
Hardcopy , PDF
05-01-2022
English
28-07-2016
CONTAINED IN VOL. 05.02, 2016 Specifies a means for estimating the ASTM cetane number (Test Method D613) of distillate fuels from density and distillation recovery temperature measurements. The value computed from the equation is termed the Calculated Cetane Index by Four Variable Equation.
Committee |
D 02
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DocumentType |
Test Method
|
Pages |
4
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ProductNote |
Reconfirmed 2016
|
PublisherName |
American Society for Testing and Materials
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Status |
Superseded
|
SupersededBy | |
Supersedes |
1.1The 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 temperature measurements. The value computed from the equation is termed the Calculated Cetane Index by Four Variable Equation.
1.2The 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 a result by Test Method D613 is not available and if cetane improver is not used. As a supplementary tool, the Calculated Cetane Index by Four Variable equation must be used with due regard for its limitations.
1.3Procedure A is to be used for Specification D975, Grades No. 1–D S15, No. 1–D S500, No. 1–D S5000, No. 2–D S15, No. 2–D S5000, and No. 4–D. This method for estimating cetane number was developed by Chevron Research Co.2 Procedure A is based on a data set including a relatively small number of No. 1–D fuels. Test Method D4737 Procedure A may be less applicable to No. 1–D S15, No. 1–D S500, and No. 1–D S5000 than to No. 2–D grade S5000 or to No. 4–D fuels.
1.3.1Procedure A has been verified as applicable to Grade No. 2–D S15 diesel fuels.3
1.4Procedure B is to be used for Specification D975, Grade No. 2–D S500.
1.5The test method “Calculated Cetane Index by Four Variable Equation” is particularly applicable to Grade 1–D S5000, Grade No. 1–D S500, Grade No. 2–D S5000 and Grade No. 2–D S500 diesel fuel oils containing straight-run and cracked stocks, and their blends. It can also be used for heavier fuels with 90 % recovery points less than 382 °C and for fuels containing derivatives from oil sands and oil shale.
Note 1:Sxx is the designation for maximum sulfur level specified for the grade. For example, S500 grades are those with a maximum sulfur limit of 500 ppm (μg/g).
1.6Biodiesel blends are excluded from this test method, because they were not part of the datasets use to develop either Procedure A or B.
1.7The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.8This 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 6890 : 2016 | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 6890 : 2013 : REV B | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 7170 : 2011 | Standard Test Method for Determination of Derived Cetane Number (DCN) of Diesel Fuel Oils<span class='unicode'>—</span>Fixed Range Injection Period, Constant Volume Combustion Chamber Method |
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ASTM D 7170 : 2012 : REV A | Standard Test Method for Determination of Derived Cetane Number (DCN) of Diesel Fuel Oils—Fixed Range Injection Period, Constant Volume Combustion Chamber Method |
ASTM D 6890 : 2010 | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 2887 : 2014 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 2887 : 2001 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 1298 : 1999 | 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 975 : 2020 : REV C | Standard Specification for Diesel Fuel |
ASTM D 6751 : 2015 : REV B | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
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ASTM D 4052 : 2011 | Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter |
ASTM D 6890 : 2010 : REV A | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 4052 : 2016 | Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter |
ASTM D 6751 : 2015 : REV A | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 6890 : 2016 : EDT 1 | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 2887 : 2019 : REV A : EDT 1 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 6890 : 2011 | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 6890 : 2009 | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 2887 : 2001 : REV A | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 6751 : 2002 | Standard Specification for Biodiesel Fuel (B100) Blend Stock for Distillate Fuels |
ASTM D 6890 : 2011 : REV B | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 6751 : 2003 : REV A | Standard Specification for Biodiesel Fuel (B100) Blend Stock for Distillate Fuels |
ASTM D 1298 : 1999 : EDT 1 | Standard Test Method for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method |
ASTM D 6890 : 2016 : EDT 2 | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 6751 : 2020 | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 2887 : 2016 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 6890 : 2013 : REV A | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 2887 : 2008 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 2887 : 2019 : EDT 1 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 2887 : 2018 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 6751 : 2003 | Standard Specification for Biodiesel Fuel (B100) Blend Stock for Distillate Fuels |
ASTM D 2887 : 2012 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 6751 : 2008 | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 6751 : 2019 | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 7170 : 2010 | Standard Test Method for Determination of Derived Cetane Number (DCN) of Diesel Fuel Oils<span class='unicode'>—</span>Fixed Range Injection Period, Constant Volume Combustion Chamber Method |
ASTM D 7170 : 2006 | Standard Test Method for Determination of Derived Cetane Number (DCN) of Diesel Fuel Oils-Fixed Range Injection Period, Constant Volume Combustion Chamber Method |
ASTM D 4052 : 1996 | Standard Test Method for Density and Relative Density of Liquids by Digital Density Meter |
ASTM D 6751 : 2015 : REV C : EDT 1 | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 6890 : 2003 : REV A | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 2887 : 2019 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 6751 : 2007 : REV A | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
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 |
ASTM D 2887 : 2015 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
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 |
ASTM D 7170 : 2012 | Standard Test Method for Determination of Derived Cetane Number (DCN) of Diesel Fuel Oils—Fixed Range Injection Period, Constant Volume Combustion Chamber Method |
ASTM D 6751 : 2011 | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 6890 : 2012 : REV A | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 6890 : 2013 : REV B : EDT 1 | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 2887 : 2002 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 6890 : 2007 : REV B | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 6890 : 2015 : REV A | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
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 6751 : 2011 : REV A | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 6751 : 2015 | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 6890 : 2015 : REV B | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 4052 : 2015 | Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter |
ASTM D 6890 : 2013 | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
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 6890 : 2007 : REV A | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 6751 : 2009 | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 6890 : 2004 | Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber |
ASTM D 2887 : 2003 | Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography |
ASTM D 6751 : 2010 | Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels |
ASTM D 4052 : 2018 | Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter |
ASTM D 6751 : 2002 : REV A | Standard Specification for Biodiesel Fuel (B100) Blend Stock for Distillate Fuels |
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