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Significance and Use
4.1 This test method is useful in evaluating and characterizing tar and pitch and as one element in establishing the uniformity of shipments and sources of supply.
1.1 This test method covers the determination of the quinoline-insoluble matter (QI) in tar and pitch by pressure filtration and gives results comparable to those obtained by Test Method .
1.2 Since this test method is empirical, strict adherence to all details of the procedure is necessary.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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. Specific hazards are given in Section , , and .
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D70 Test Method for Density of Semi-Solid Asphalt Binder (Pycnometer Method)
D95 Test Method for Water in Petroleum Products and Bituminous Materials by Distillation
D329 Specification for Acetone
D850 Test Method for Distillation of Industrial Aromatic Hydrocarbons and Related Materials
D2318 Test Method for Quinoline-Insoluble (QI) Content of Tar and Pitch
D4296 Practice for Sampling Pitch
E1 Specification for ASTMLiquid-in-Glass Thermometers
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
ICS Number Code 91.100.50 (Binders. Sealing materials)
UNSPSC Code 30121602(Pitch); 30121501(Coal tar)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D4746-20, Standard Test Method for Determination of Quinoline Insolubles (QI) in Tar and Pitch by Pressure Filtration, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top