Standard Test Method for Solubility of Asphalt Materials in Trichloroethylene

SIGNIFICANCE AND USE
This test method is a measure of the solubility of asphalt in trichloroethylene. The portion that is soluble in trichloroethylene represents the active cementing constituents.
SCOPE
1.1 This test method covers the determination of the degree of solubility in trichloroethylene of asphalt materials having little or no mineral matter.
Note 1—Use of carbon disulfide, carbon tetrachloride, and benzene has been discontinued in this method because of the safety hazards involved. This method is not applicable to tars and their distillation residues or highly cracked petroleum products. For methods covering tars, pitches, and other highly cracked petroleum products, and the use of other solvents, see Test Methods D 4, D 2318, and D 2764.
1.2 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precaution statements are given in Section 7.

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Publication Date
09-Dec-2001
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ASTM D2042-01 - Standard Test Method for Solubility of Asphalt Materials in Trichloroethylene
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D2042–01
Standard Test Method for
1
Solubility of Asphalt Materials in Trichloroethylene
This standard is issued under the fixed designation D 2042; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3. Summary of Method
1.1 This test method covers the determination of the degree 3.1 The sample is dissolved in trichloroethylene and filtered
of solubility in trichloroethylene of asphalt materials having through a glass fiber pad. The insoluble material is washed,
little or no mineral matter. dried, and weighed.
NOTE 1—Useofcarbondisulfide,carbontetrachloride,andbenzenehas
4. Significance and Use
been discontinued in this method because of the safety hazards involved.
4.1 This test method is a measure of the solubility of asphalt
This method is not applicable to tars and their distillation residues or
in trichloroethylene. The portion that is soluble in trichloroet-
highly cracked petroleum products. For methods covering tars, pitches,
and other highly cracked petroleum products, and the use of other hylene represents the active cementing constituents.
solvents, see Test Methods D 4, D 2318, and D 2764.
5. Apparatus and Materials
1.2 This standard does not purport to address all of the
5.1 The assembly of the filtering apparatus is illustrated in
safety concerns, if any, associated with its use. It is the
Fig. 1. Details of the component parts are as follows:
responsibility of the user of this standard to establish appro-
5.1.1 Gooch Crucible, glazed inside and outside with the
priate safety and health practices and determine the applica-
exception of outside bottom surface. The approximate dimen-
bility of regulatory limitations prior to use. Specific precaution
sions shall be a diameter of 44 mm at the top, tapering to 36
statements are given in Section 7.
mm at the bottom, and a depth of 24-28 mm.
7
2. Referenced Documents
5.1.2 Glass Fiber Pad, 3.2-cm.
5.1.3 Filter Flask, heavy-wall, with side tube, 250- or
2.1 ASTM Standards:
2
500-mL capacity.
D 4 Test Method for Bitumen Content
5.1.4 Filter Tube, 40- to 42-mm inside diameter.
D 2318 Test Method for Quinoline-Insoluble (QI) Content
3
5.1.5 Rubber Tubing or Adapter, for holding the Gooch
of Tar and Pitch
crucible on the filter tube.
D 2764 Test Method for Dimethylformamide-Insoluble
4
(DMF-I) Content of Tar and Pitch
NOTE 2—Other suitable assemblies permitting vacuum filtration with a
E 177 Practice for the Use of the Terms Precision and Bias
Gooch crucible may be used.
5
in ASTM Test Methods
5.1.6 Erlenmeyer Flask, 125 mL.
2.2 AASHTO Standard:
5.1.7 Oven, capable of maintaining a temperature of 110 6
T44 Solubility of Bituminous Materials in Organic Sol-
5°C.
6
vents
6. Reagent
1
6.1 Trichloroethylene, technical grade.
This test method is under the jurisdiction of ASTM Committee D04 on Road
and Paving Materials and is the direct responsibility of Subcommittee D04.47 on
Miscellaneous Asphalt Tests. 7. Safety Precautions
Current edition approved Dec. 10, 2001. Published March 2002. Originally
7.1 Trichloroethylene is toxic, and good ventilation should
published as D 2042 – 66. Last previous edition D 2042 – 97.
2
be provided. It is more flammable than carbon tetrachloride.
Annual Book of ASTM Standards, Vol 04.04.
3
Annual Book of ASTM Standards, Vol 05.01.
4
Annual Book of ASTM Standards, Vol 05.02.
5
Annual Book of ASTM Standards, Vol 14.02.
6 7
Available fromAASHTO, 444 N. Capitol St., NW, Suite 249, Washington, DC Whatman Grade 934 AH glass microfiber filter pad, available from Reeves
20001. Angel and Co., Clifton, NJ, has been found suitable.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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D2042–01
appreciable, retain as much of it as possible in the container
until the solution has drained through the mat. Wash the
containerwithasmallamountofsolventand,usingastreamof
solvent from a wash bottle, transfer all insoluble matter to the
crucible. Use a “policeman” if necessary to remove any
insolublematteradheringtothecontainer.Rinsethepoliceman
and container thoroughly. Wash the insoluble matter in the
crucible with solvent until the filtrate is substantially colorless,
then apply strong suction to remove the remaining solvent.
Remove the crucible from the tube, wash the bottom free of
any dissolved matter, and place the crucible on top of an oven
or on a steam bath until all odor of the trichloroethylene is
removed (see safety prec
...

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