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ASTM D8181-19
Standard Specification for Microemulsion Blendstock for Preparing Microemulsion Test Fuel Oils
NORMA vydaná dňa 1.5.2019
Informácie o norme:
Označenie normy: ASTM D8181-19
Dátum vydania normy: 1.5.2019
Kód tovaru: NS-949495
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM D8181-19 :
Keywords:
biofuel, blendstock, diesel alternative, inverse micelle, micelle, microemulsion, oxygenated diesel, renewable fuel, test fuel oils,, ICS Number Code 75.160.20 (Liquid fuels)
Doplňujúce informácie
| 1. Scope |
|
1.1 This specification describes an alcohol-carboxylic acid blend, referred to as the microemulsion blendstock. 1.1.1 1.2 The microemulsion blendstock is to be blended with fuel oils to produce a microemulsion test fuel oil that consists of inverse micelles. Note 1: While no fuel standard currently exists for a
microemulsion test fuel oil, work to develop one is
underway.
Note 2: Typical fuel oils that could be used for blending with
microemulsion blendstock are fuels that comply with Specifications
D975 and D396 and may contain up to 5 % by volume
biodiesel.
Note 3: Testing with test fuels containing 10 % microemulsion
blendstock using B5 as a base fuel did not show any detrimental
changes to specified fuel properties relative to B0 base fuels, but
can impair measurement of microemulsion blendstock
concentration.
1.2.1 The microemulsion test fuel oil (to be made from this blendstock) is to be used for testing and demonstration purposes only in specific equipment and vehicles that are suited for or have been equipped with safety precautions for use with low flashpoint fuels and oxygenated fuels such as ethanol. Minimum safety precautions may include flame arrestors and grounding straps. Note 4: The low flash point of this blendstock relative to
conventional diesel fuel increases certain hazards during storage
and distribution.
1.3 Nothing in this specification shall preclude observance of federal, state, or local regulations, which may be more restrictive. 1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This 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. |
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