ASTM D 6890 : 2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuel Oils by Combustion in a Constant Volume Chamber
Hardcopy , PDF
11-11-2014
English
04-01-2004
Important note : All end users must be registered with an Account prior to user licenses being assigned.| Committee |
D 02
|
| DocumentType |
Test Method
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| Pages |
15
|
| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1 This automated laboratory test method covers the quantitative determination of the ignition characteristics of conventional diesel fuel oil, oil-sands based fuels, blends of fuel containing biodiesel material, diesel fuel oils containing cetane number improver additives, and is applicable to products typical of ASTM Specification D 975 grades No. 1-D and 2-D regular and low-sulfur diesel fuel oils, European standard EN 590, and Canadian standards CAN/CGSB-3.517 and 3.6-2000. The test method may also be applied to the quantitative determination of the ignition characteristics of diesel fuel blending components.
1.2 This test method measures the ignition delay and utilizes a constant volume combustion chamber with direct fuel injection into heated, compressed air. An equation converts an ignition delay determination to a derived cetane number (DCN).
1.3 This test method covers the ignition delay range from 3.6 to 5.0 milliseconds (55.3 to 40.5 DCN). The combustion analyzer can measure shorter and longer ignition delays but precision may be affected.
1.4 The values stated in SI units are to be regarded as the standard.
1.5 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.
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| ASTM D 7467 : 2019 | Standard Specification for Diesel Fuel Oil, Biodiesel Blend (B6 to B20) |
| ASTM D 1655 : 2019 | Standard Specification for Aviation Turbine Fuels |
| ASTM D 4737 : 2010 : R2016 | Standard Test Method for Calculated Cetane Index by Four Variable Equation |
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