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Standard Test Method for Determination of Fuel Methanol (M99) and Methanol Fuel Blends (M10 to M99) by Gas ChromatographyTranslate name
STANDARD published on 1.1.2021
Designation standards: ASTM D7920-21
Publication date standards: 1.1.2021
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: American technical standard
Category: Technical standards ASTM
fuel methanol, impurities in methanol, methanol content in gasoline, methanol fuel, methanol-gasoline blends,, ICS Number Code 75.160.20 (Liquid fuels)
|Significance and Use|
5.1Methanol is used in blends with gasoline at levels of 70% to 85% by volume, as specified in Specification . This test method provides a quantitative approach to measure the methanol content in methanol fuel blends, from 10% to 99% by volume. The usual concentration is 70% to 85% by volume (M70 to M85). The method is also used to analyze fuel methanol (M99) prior to blending.
1.1This test method covers the determination of the methanol content, by gas chromatography, of M10 to M99 in methanol fuel blends, including fuel methanol (M99).
1.1.1Methanol may be determined from 10 % to 99 % by volume.
1.2This test method is designed to measure not only methanol in the blended gasoline but also the impurities in fuel methanol (M99) itself in the range of 5 mg/kg to 1000 mg/kg. However, not all impurities are measured nor detected by this test method.
1.2.1Water cannot be determined by this test method and shall be measured by a procedure such as Test Method and the result used to correct the concentrations determined by this test method.
1.3The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4This 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.
1.5This 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.
|2. Referenced Documents|
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