ASTM C1152/C1152M-03
(Test Method)Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete
Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete
SCOPE
1.1 This test method provides procedures for the sampling and analysis of hydraulic-cement mortar or concrete for chloride that is acid soluble under the conditions of test. In most cases, acid-soluble chloride is equivalent to total chloride.
1.2 The text of this standard references notes and footnotes that provide explanatory information. These notes and footnotes shall not be considered as requirements of this 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.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the inch-pound units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.
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Designation: C 1152/C 1152M – 03
Standard Test Method for
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Acid-Soluble Chloride in Mortar and Concrete
This standard is issued under the fixed designation C 1152/C 1152M; 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 C 1084 Test Method for Portland-Cement Content of Hard-
2 ened Hydraulic-Cement Concrete
1.1 This test method provides procedures for the sampling
D 1193 Specification for Reagent Water
and analysis of hydraulic-cement mortar or concrete for
E 11 Specification for Wire-Cloth Sieves for Testing Pur-
chloride that is acid soluble under the conditions of test. In
poses
most cases, acid-soluble chloride is equivalent to total chloride.
1.2 The text of this standard references notes and footnotes
3. Significance and Use
that provide explanatory information. These notes and foot-
3.1 The amount of acid-soluble chloride in most hydraulic-
notes shall not be considered as requirements of this standard.
cement systems is equal to the total amount of chloride in the
1.3 This standard does not purport to address all of the
system. However, some organic substances that may be intro-
safety concerns, if any, associated with its use. It is the
duced into mortar or concrete contain chloride that is initially
responsibility of the user of this standard to establish appro-
acid-insoluble that can eventually ionize and thus become
priate safety and health practices and determine the applica-
acid-soluble or water-soluble after a period of exposure in the
bility of regulatory limitations prior to use.
very alkaline cement system.
1.4 The values stated in either SI units or inch-pound units
3.2 Sulfides are known to interfere with the determination of
are to be regarded separately as standard. Within the text, the
chloride content. Blast-furnace slag aggregates and cements
inch-pound units are shown in brackets. The values stated in
contain sulfide sulfur in concentrations that can cause such
each system are not exact equivalents; therefore, each system
interference and produce erroneously high test results. Treat-
shall be used independently of the other.
ment with hydrogen peroxide, as discussed in Test Methods
2. Referenced Documents C 114, is used to eliminate such interference.
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2.1 ASTM Standards:
4. Apparatus
C 42/C 42M Test Method for Obtaining and Testing Drilled
4.1 Sampling Equipment
Cores and Sawed Beams of Concrete
4.1.1 The apparatus required for obtaining samples by
C 114 Test Methods for Chemical Analysis of Hydraulic
coring or sawing is described in Test Method C 42/C 42M.
Cement
4.1.2 Use the following apparatus for sampling by drilling
C 670 Practice for Preparing Precision and Bias Statements
(pulverization):
for Test Methods for Construction Materials
4.1.2.1 Rotary Impact Drill and drill or pulverizing bits of
C 702 Practice for Reducing Field Samples of Aggregate to
sufficient diameter to provide a representative sample of
Testing Size
sufficient size for testing.
C 823 Practice for Examination and Sampling of Hardened
4.1.2.2 Spoon or other suitable means to remove pulverized
Concrete in Constructions
sample material from drill hole without contamination.
4.1.2.3 Sample Containers capable of maintaining samples
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This test method is under the jurisdiction of ASTM Committee C09 on in an uncontaminated state.
Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee
4.2 Sample Processing Apparatus—The apparatus required
C09.69 on Miscellaneous Tests.
for processing samples shall be chosen for its suitability for the
Current edition approved Dec. 1, 2003. Published January 2004. Originally
purposes of the investigation, and frequently includes a con-
approved in 1990. Last previous edition approved in 1997 as C 1152 – 97.
2
This test method is based on a report by Clear, K. C., and Harrigan, E. T.,
crete saw and one or more pulverizers.
“Sampling and Testing for Chloride Ion in Concrete,” Report No. FHWA-RD77-85,
4.2.1 Samples more than 25 mm (1 in.) in maximum
Federal Highway Administration, Washington, DC, Aug. 1977 (Available as PB
dimension shall be reduced in size by use of a jaw crusher or
275-428/AS National Technical Information Services).
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broken into smaller pieces by hammering carefully to avoid
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
loss of smaller pieces.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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