Standard Test Method for Insoluble Residue in Carbonate Aggregates

SIGNIFICANCE AND USE
The amount and size distribution of noncarbonate (insoluble) material in carbonate aggregates is of interest to those conducting research on the polish susceptibility of stone used in pavements or on the friction properties of pavement surfaces. In addition, some agencies utilize the test for acceptance purposes to delineate carbonate aggregates that polish excessively and become slippery and those that will not.
SCOPE
1.1 This test method covers determination of the percentage of insoluble residue in carbonate aggregates using hydrochloric acid solution to react the carbonates.
1.2 The values stated in SI units are to be regarded as standard.
1.3 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.

General Information

Status
Historical
Publication Date
09-Jul-2003
Drafting Committee
Current Stage
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ASTM D3042-03 - Standard Test Method for Insoluble Residue in Carbonate Aggregates
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D3042–03
Standard Test Method for
1
Insoluble Residue in Carbonate Aggregates
This standard is issued under the fixed designation D 3042; 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.
1. Scope 4. Apparatus
1.1 This test method covers determination of the percentage 4.1 Sieves, U.S. standard 203.2-mm (8-in.) diameter, con-
ofinsolubleresidueincarbonateaggregatesusinghydrochloric forming to Specification E 11 in the following sizes:
acid solution to react the carbonates. 3
9.5-mm ( ⁄8-in.)
4.75-mm (No. 4)
1.2 The values stated in SI units are to be regarded as
2.36-mm (No. 8)
standard.
1.18-mm (No. 16)
1.3 This standard does not purport to address all of the
600-µm (No. 30)
300-µm (No. 50)
safety concerns, if any, associated with its use. It is the
150-µm (No. 100)
responsibility of the user of this standard to establish appro-
75-µm (No. 200)
priate safety and health practices and determine the applica-
4.2 Balance—A balance having a minimum capacity of 15
bility of regulatory limitations prior to use. Specific precaution
kg and meeting the requirements of Specification D 4753,
statements are given in Section 7.
Class GP5.
4.3 Oven, of appropriate size capable of being maintained at
2. Referenced Documents
110 6 5°C (230 6 9°F).
2.1 ASTM Standards:
4.4 Agitation Equipment, such as a jar mill or a magnetic
C 136 Test Method for Sieve Analysis of Fine and Coarse
2
stirrer.
Aggregates
4.5 Bunsen Burner or Hot Plate.
C 294 Descriptive Nomenclature for Constituents of Natu-
2
4.6 Receiving Tank, of nonreactive material to receive wash
ral Mineral Aggregates
water and residue washed through the 203.2-mm (8-in.)
C 670 Practice for Preparing Precision and Bias Statements
2
diameter sieves.
for Test Methods of Construction Materials
4.7 Rapid Filter Paper, acid-resistant.
D 4753 Specification for Evaluating, Selecting, and Speci-
4.8 Safety Eyeglasses, Rubber Gloves, Aprons, and so forth.
fying Balances and Scales for Use in Soil, Rock, and
3 4.9 Borosilicate Glass Containers, for performing acid
Construction Materials Testing
leaching test.
E 11 Specification for Wire- Cloth and Sieves for Testing
4 4.10 pH Paper or pH Meter.
Purposes
5. Reagent
3. Significance and Use
5.1 Purity of Reagents—Reagent grade chemicals shall be
3.1 The amount and size distribution of noncarbonate (in-
used in all tests. Unless otherwise indicated, it is intended that
soluble) material in carbonate aggregates is of interest to those
all reagents shall conform to the specifications of the Commit-
conducting research on the polish susceptibility of stone used
tee onAnalytical Reagents of theAmerican Chemical Society,
in pavements or on the friction properties of pavement sur-
5
where such specifications are available. Use of other grades is
faces. In addition, some agencies utilize the test for acceptance
permitted, provided it is first ascertained that the reagent is of
purposes to delineate carbonate aggregates that polish exces-
sufficiently high purity to permit its use without lessening the
sively and become slippery and those that will not.
accuracy of the determination.
1
This test method is under the jurisdiction of ASTM Committee D04 on Road
and Paving Materials and is the direct responsibility of Subcommittee D04.51 on
5
Aggregate Tests. Reagent Chemicals, American Chemical Society Specifications, American
Current edition approved July 10, 2003. Published September 2003. Originally Chemical Society, Washington, DC. For suggestions on the testing of reagents not
approved in 1972. Last previous edition approved in 1997 as D 3042 – 97. listed by the American Chemical Society, see Annual Standards for Laboratory
2
Annual Book of ASTM Standards, Vol 04.02. Chemicals, BDH Ltd., Poole, Dorset, U.K., and the United States Pharmacopeia
3
Annual Book of ASTM Standards, Vol 04.08. and National Formulary, U.S. Pharmacopeial Convention, Inc. (USPC), Rockville,
4
Annual Book of ASTM Standards, Vol 14.02. MD.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D3042–03
5.2 Hydrochloric Acid (6 N)—Prepare a 6 N solution of maintaining this temperature level for approximately1hin
hydrochloric acid (HCl). order to completely react the carbonate fraction.
7.7.1 If no reaction is observed upon heating, proceed with
6. Samples
the remainder of the test procedure.
6.1 Samples shall be representative of the sources from
7.7.2 If a reaction is observed upon heating, continue the
which they are obtained and shall be re
...

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