ASTM D7280-20
(Test Method)Standard Test Method for Quinoline-Insoluble (QI) Content of Tar and Pitch by Stainless Steel Crucible Filtration
Standard Test Method for Quinoline-Insoluble (QI) Content of Tar and Pitch by Stainless Steel Crucible Filtration
SIGNIFICANCE AND USE
4.1 This test method is useful in evaluating and characterizing tar and pitch. It is also useful as one element in establishing the uniformity of shipments and sources of supply.
SCOPE
1.1 This test method covers the determination of the quinoline-insoluble matter (QI) in tar and pitch using a stainless steel filtering crucible and a filtration membrane.
1.2 This test method was evaluated in round robin testing using materials in the range of zero to twenty quinoline insoluble weight percent (wt%).
1.3 Since this test method is empirical, strict adherence to all details of the procedure is necessary.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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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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.
Designation: D7280 − 20
Standard Test Method for
Quinoline-Insoluble (QI) Content of Tar and Pitch by
1
Stainless Steel Crucible Filtration
This standard is issued under the fixed designation D7280; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* D362 SpecificationforIndustrialGradeToluene(Withdrawn
3
1989)
1.1 This test method covers the determination of the
D850 Test Method for Distillation of Industrial Aromatic
quinoline-insoluble matter (QI) in tar and pitch using a
Hydrocarbons and Related Materials
stainless steel filtering crucible and a filtration membrane.
D2318 Test Method for Quinoline-Insoluble (QI) Content of
1.2 This test method was evaluated in round robin testing
Tar and Pitch
using materials in the range of zero to twenty quinoline
D4296 Practice for Sampling Pitch
insoluble weight percent (wt%).
E1 Specification for ASTM Liquid-in-Glass Thermometers
1.3 Since this test method is empirical, strict adherence to E11 Specification for Woven Wire Test Sieve Cloth and Test
Sieves
all details of the procedure is necessary.
E691 Practice for Conducting an Interlaboratory Study to
1.4 The values stated in SI units are to be regarded as
Determine the Precision of a Test Method
standard. No other units of measurement are included in this
standard.
3. Summary of Test Method
1.5 This standard does not purport to address all of the
3.1 Thesampleisdigestedinhotquinolineandfiltered.The
safety concerns, if any, associated with its use. It is the
insoluble material is washed, dried, and weighed.
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter-
4. Significance and Use
mine the applicability of regulatory limitations prior to use.
4.1 This test method is useful in evaluating and character-
1.6 This international standard was developed in accor-
izing tar and pitch. It is also useful as one element in
dance with internationally recognized principles on standard-
establishingtheuniformityofshipmentsandsourcesofsupply.
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
5. Apparatus
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
5.1 Filtering Crucibles, stainless steel, with fine-screen
4
bottom, 25 mL to 40 mL capacity, high-form. See Fig. 1.
2. Referenced Documents
5.2 Filter Membrane, PFTE membrane without backing,
2
5
2.1 ASTM Standards:
10 µm porosity, 25 mm disk.
D71 Test Method for Relative Density of Solid Pitch and
5.3 Filter Apparatus, 500 mL filter flask and tube with
Asphalt (Displacement Method)
crucible adapter.
D95 Test Method for Water in Petroleum Products and
Bituminous Materials by Distillation
D329 Specification for Acetone
3
The last approved version of this historical standard is referenced on
www.astm.org.
4
The sole source of supply of the crucibles known to the committee at this time
1
This test method is under the jurisdiction of ASTM Committee D02 on is Drabik Tool & Die, 15601 Commerce Park Dr., Cleveland, OH 44142. If you are
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of aware of alternative suppliers, please provide this information to ASTM Interna-
SubcommitteeD02.05onPropertiesofFuels,PetroleumCokeandCarbonMaterial. tional Headquarters.Your comments will receive careful consideration at a meeting
1
CurrenteditionapprovedJune1,2020.PublishedJuly2020.Originallyapproved of the responsible technical committee, which you may attend.
5
in 2006. Last previous edition approved in 2015 as D7280 – 15. DOI: 10.1520/ The sole source of supply of the filter membranes known to the committee at
D7280-20. this time is Mitex brand, Part No. LCWP 02500, available from Millipore
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Corporation,290ConcordRoadBillerica,MA01821.Ifyouareawareofalternative
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM suppliers, please provide this information to ASTM International Headquarters.
Standards volume information, refer to the standard’s Document Summary page on Your comments will receive careful consideration at a meeting of the responsible
1
the ASTM website. technical committee, which you may attend.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO B
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D7280 − 15 D7280 − 20
Standard Test Method for
Quinoline-Insoluble (QI) Content of Tar and Pitch by
1
Stainless Steel Crucible Filtration
This standard is issued under the fixed designation D7280; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This test method covers the determination of the quinoline-insoluble matter (QI) in tar and pitch using a stainless steel
filtering crucible and a filtration membrane.
1.2 This test method was evaluated in round robin testing using materials in the range of zero to twenty quinoline insoluble
weight percent (wt%).
1.3 Since this test method is empirical, strict adherence to all details of the procedure is necessary.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 safety, health, and healthenvironmental 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D71 Test Method for Relative Density of Solid Pitch and Asphalt (Displacement Method)
D95 Test Method for Water in Petroleum Products and Bituminous Materials by Distillation
D329 Specification for Acetone
3
D362 Specification for Industrial Grade Toluene (Withdrawn 1989)
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 ASTM Liquid-in-Glass Thermometers
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
3. Summary of Test Method
3.1 The sample is digested in hot quinoline and filtered. The insoluble material is washed, dried, and weighed.
4. Significance and Use
4.1 This test method is useful in evaluating and characterizing tar and pitch. It is also useful as one element in establishing the
uniformity of shipments and sources of supply.
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee
D02.05 on Properties of Fuels, Petroleum Coke and Carbon Material.
Current edition approved Dec. 1, 2015June 1, 2020. Published December 2015July 2020. Originally approved in 2006. Last previous edition approved in 20112015 as
D7280 – 06 (2011).D7280 – 15. DOI: 10.1520/D7280-15.10.1520/D7280-20.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
The last approved version of this historical standard is referenced on www.astm.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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D7280 − 20
5. Apparatus
4
5.1 Filtering Crucibles, stainless steel, with fine-screen bottom, 25 mL to 40 mL capacity, high-form. See Fig. 1.
5
5.2 Filter Membrane, PFTE membrane without backing, 10 μm porosity, 25 mm disk.
5.3 Filter Apparatus, 500 mL filter flask and tube with crucible adapter.
5.4 Sieves, U.S. Standard 600 μm (No. 30) and 250 μm (No. 60), conforming to Specification E11.
5.5 Electric Hot Plate or Water Bath, maintained at 75 °C 6 5 °C.
FIG. 1 Stainless Steel Filtering Crucible with Support Disk
4
The sole source of supply of the crucibles known to the committee at this time is Drabik Tool & Die, 15601 Commerce Park Dr., Cleveland, OH 44142. If you are aware
of alternative suppliers, please provide this information
...
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