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Standard Test Method for Coking Value of Tar and Pitch (Alcan)
NORMA vydaná dňa 1.10.2017
Označenie normy: ASTM D4715-98(2017)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.10.2017
Kód tovaru: NS-800224
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
Alcan, coke-forming, coking value, fixed carbon, pitch, residue, tar,, ICS Number Code 75.140 (Waxes, bituminous materials and other petroleum products)
Significance and Use | ||||||||||
4.1 This test method is useful for indicating the relative coke-forming propensities and for evaluating and characterizing tars and pitches. The test method can also be used as one element in establishing the uniformity of shipments or sources of supply. |
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1. Scope | ||||||||||
1.1 This test method covers the determination of the coking value of tar and pitch having an ash content not over 0.5 %, as determined by Test Method D2415. 1.2 Coking values by this test method are higher than those obtained by Test Method D2416. See the bias statement in Section 13. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 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. 1.5 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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2. Referenced Documents | ||||||||||
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