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ASTM D 6890 : 2022

Current
Current

The latest, up-to-date edition.

Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-12-2022

1.1This automated laboratory test method covers the quantitative determination of the ignition characteristics of conventional diesel fuel oil, oil-sands based fuels, hydrocarbon oils, blends of fuel containing biodiesel material, diesel fuel oils containing cetane number improver additives, and is applicable to products typical of ASTM Specification D975 grades No. 1-D S15, No. 1-D S500, and No. 1-D S5000, and grades No. 2-D S15, No. 2-D S500, and No. 2-D S5000 diesel fuel oils, European standard EN 590, and Canadian standards CAN/CGSB-3.517 and 3.520. The test method may also be applied to the quantitative determination of the ignition characteristics of diesel fuel blending components.

1.2This test method measures the ignition delay of a diesel fuel injected directly into a constant volume combustion chamber containing heated, compressed air. An equation correlates an ignition delay determination to cetane number by Test Method D613, resulting in a derived cetane number (DCN).

1.3This test method covers the ignition delay range from 2.64 ms to 6.90 ms (75.1 DCN to 31.5 DCN). The combustion analyzer can measure shorter and longer ignition delays, but precision may be affected. For these shorter or longer ignition delays the correlation equation for DCN is given in Appendix X2.

1.4For purposes of determining conformance with the parameters of this test method, an observed value or a calculated value shall be rounded “to the nearest unit” in the last right-hand digit used in expressing the parameter, in accordance with the rounding method of Practice E29.

1.5The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
D 02
DocumentType
Test Method
Pages
19
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM D 4737 : 2021 Standard Test Method for Calculated Cetane Index by Four Variable Equation
ASTM D 7467 : 2020 : REV A Standard Specification for Diesel Fuel Oil, Biodiesel Blend (B6 to B20)
ASTM D 8147 : 2017 Standard Specification for Special-Purpose Test Fuels for Aviation Compression-Ignition Engines
ASTM D 6751 : 2020 : REV A Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels
ASTM D 1655 : 2022 : REV A Standard Specification for Aviation Turbine Fuels
ASTM D 4054 : 2022 Standard Practice for Evaluation of New Aviation Turbine Fuels and Fuel Additives

ASTM D 4057 : 2019 Standard Practice for Manual Sampling of Petroleum and Petroleum Products
ASTM D 613 : 2018 : REV A Standard Test Method for Cetane Number of Diesel Fuel Oil
ASTM D 613 : 2023 Standard Test Method for Cetane Number of Diesel Fuel Oil
ASTM D 6299 : 2022 : EDT 1 Standard Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance
ASTM D 5854 : 2019 Standard Practice for Mixing and Handling of Liquid Samples of Petroleum and Petroleum Products
ASTM D 975 : 2023 : REV A Standard Specification for Diesel Fuel
ASTM D 6299 : 2023 : REV A Standard Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance
ASTM D 613 : 2024 Standard Test Method for Cetane Number of Diesel Fuel Oil
ASTM D 4175 : 2022 : REV A Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 6708 : 2024 Standard Practice for Statistical Assessment and Improvement of Expected Agreement Between Two Test Methods that Purport to Measure the Same Property of a Material
ASTM D 6300 : 2021 Standard Practice for Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 613 : 2018 : REV A : EDT 1 Standard Test Method for Cetane Number of Diesel Fuel Oil
ASTM D 6300 : 2023 Standard Practice for Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 4175 : 2023 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 6300 : 2023 : REV A Standard Practice for Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 6299 : 2023 : EDT 1 Standard Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance
ASTM D 4175 : 2022 : REV A : EDT 1 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 6708 : 2021 Standard Practice for Statistical Assessment and Improvement of Expected Agreement Between Two Test Methods that Purport to Measure the Same Property of a Material
ASTM D 4177 : 2022 Standard Practice for Automatic Sampling of Petroleum and Petroleum Products
ASTM D 6299 : 2023 Standard Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance
ASTM D 4175 : 2023 : EDT 1 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 4175 : 2023 : REV A Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 4175 : 2022 : EDT 1 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
ASTM D 975 : 2022 : REV A Standard Specification for Diesel Fuel
ASTM D 975 : 2023 Standard Specification for Diesel Fuel
ASTM D 4177 : 2022 : EDT 1 Standard Practice for Automatic Sampling of Petroleum and Petroleum Products
ASTM D 6300 : 2024 Standard Practice for Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products, Liquid Fuels, and Lubricants

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