ASTM C1218/C1218M-15

Standard Test Method for Water-Soluble Chloride in Mortar and Concrete

SIGNIFICANCE AND USE
3.1 Water-soluble chloride, when present in sufficient amount, is capable of leading to initiation or acceleration of the corrosion of metals, such as steel, embedded in or contacting a cement system such as mortar, grout, or concrete. Thus, its determination shall be required to evaluate the potential of a cement system for undergoing such reactions or to investigate cement systems where such reaction has already occurred. However, it must be recognized that water-soluble chloride determined at some particular time in the life of a cement system is capable of being substantially different than that at another time; for example, the service environment is capable of resulting in a higher water-soluble chloride content due to changes in solubility or a lower one due to leaching.  
3.1.1 Test conditions are capable of affecting water-soluble chloride determinations. Take caution when comparing results from this test method with those from other test methods.  
3.2 Sulfides are known to interfere with the determination of chloride content. Blast-furnace slag aggregates and cements contain sulfide sulfur in concentrations that are capable of such interference and produce erroneously high test results. Treatment with hydrogen peroxide, as discussed in Test Methods C114, is used to eliminate such interference.  
3.3 There are aggregates that contain chloride that is not available for corrosion. Such chloride will be detected by use of this test method.3
SCOPE
1.1 This test method provides procedures for the sampling and analysis of hydraulic-cement mortar or concrete for chloride that is water soluble under the conditions of test.  
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 The values stated in either SI units or inch-pound units are to be regarded separately as a 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.  
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 and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 30-Jun-2015
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: C09 - Concrete and Concrete Aggregates
• Drafting Committee: C09.69 - Miscellaneous Tests

Relations

• Replaces: ASTM C1218/C1218M-99(2008) - Standard Test Method for Water-Soluble Chloride in Mortar and Concrete
• Effective Date: 01-Jul-2015
• Referred By: ASTM C1709-22 - Standard Guide for Evaluation of Alternative Supplementary Cementitious Materials (ASCM) for Use in Concrete
• Effective Date: 01-Jul-2015
• Referred By: ASTM C1524-20 - Standard Test Method for Water-Extractable Chloride in Aggregate (Soxhlet Method)
• Effective Date: 01-Jul-2015
• Referred By: ASTM C1384-18e1 - Standard Specification for Admixtures for Masonry Mortars
• Effective Date: 01-Jul-2015

Standards Content (Sample)

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: C1218/C1218M − 15
Standard Test Method for
1
Water-Soluble Chloride in Mortar and Concrete
This standard is issued under the fixed designation C1218/C1218M; 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* E832 Specification for Laboratory Filter Papers
1.1 This test method provides procedures for the sampling
3. Significance and Use
and analysis of hydraulic-cement mortar or concrete for
3.1 Water-soluble chloride, when present in sufficient
chloride that is water soluble under the conditions of test.
amount,iscapableofleadingtoinitiationoraccelerationofthe
1.2 The text of this standard references notes and footnotes
corrosion of metals, such as steel, embedded in or contacting a
that provide explanatory information. These notes and foot-
cement system such as mortar, grout, or concrete. Thus, its
notes shall not be considered as requirements of this standard.
determination shall be required to evaluate the potential of a
1.3 The values stated in either SI units or inch-pound units cement system for undergoing such reactions or to investigate
cement systems where such reaction has already occurred.
are to be regarded separately as a standard. Within the text, the
inch-pound units are shown in brackets. The values stated in However, it must be recognized that water-soluble chloride
determined at some particular time in the life of a cement
each system are not exact equivalents; therefore, each system
shall be used independently of the other. system is capable of being substantially different than that at
another time; for example, the service environment is capable
1.4 This standard does not purport to address all of the
of resulting in a higher water-soluble chloride content due to
safety concerns, if any, associated with its use. It is the
changes in solubility or a lower one due to leaching.
responsibility of the user of this standard to establish appro-
3.1.1 Test conditions are capable of affecting water-soluble
priate safety and health practices and determine the applica-
chloride determinations. Take caution when comparing results
bility of regulatory limitations prior to use.
from this test method with those from other test methods.
2. Referenced Documents
3.2 Sulfidesareknowntointerferewiththedeterminationof
2
chloride content. Blast-furnace slag aggregates and cements
2.1 ASTM Standards:
contain sulfide sulfur in concentrations that are capable of such
C42/C42M Test Method for Obtaining and Testing Drilled
interference and produce erroneously high test results. Treat-
Cores and Sawed Beams of Concrete
ment with hydrogen peroxide, as discussed in Test Methods
C114 Test Methods for Chemical Analysis of Hydraulic
C114, is used to eliminate such interference.
Cement
C670 Practice for Preparing Precision and Bias Statements
3.3 There are aggregates that contain chloride that is not
for Test Methods for Construction Materials
available for corrosion. Such chloride will be detected by use
3
C823 Practice for Examination and Sampling of Hardened
of this test method.
Concrete in Constructions
4. Apparatus
C1084 Test Method for Portland-Cement Content of Hard-
ened Hydraulic-Cement Concrete
4.1 Sampling Equipment:
D1193 Specification for Reagent Water
4.1.1 The apparatus required for obtaining samples by
E11 Specification for Woven Wire Test Sieve Cloth and Test
coring or sawing is described in Test Method C42/C42M.
Sieves
4.1.2 Use the following apparatus for sampling by drilling
(pulverization):
4.1.2.1 Rotary impact drill or drill with pulverizing bits.
1
This test method is under the jurisdiction of ASTM Committee C09 on
4.1.2.2 Spoon or other suitable means to collect without
Concrete and Concrete Aggregatesand is the direct responsibility of Subcommittee
contamination pulverized sample material produced by drill-
C09.69 on Miscellaneous Tests.
Current edition approved July 1, 2015. Published August 2015. Originally
ing.
approved in 1992. Last previous edition approved in 2008 as C1218/C1218M – 99
(2008). DOI: 10.1520/C1218_C1218M-15.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or For more information see “The Determination of the Chloride Content of
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Concrete,” by Brian B. Hope, John A. Page and John S. Poland, Cement and
Standards volume information, refer to the standard’s Document Summary page on Concrete Research, Volume 15, Number 5, Pergamon Press, New York, September
the ASTM website. 1985, pp. 863–870.
*A Summary of Changes section appears at the end of this standard
...

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: C1218/C1218M − 99 (Reapproved 2008) C1218/C1218M − 15
Standard Test Method for
1
Water-Soluble Chloride in Mortar and Concrete
This standard is issued under the fixed designation C1218/C1218M; 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 Scope*
1.1 This test method provides procedures for the sampling and analysis of hydraulic-cement mortar or concrete for chloride that
is water soluble under the conditions of test.
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 The values stated in either SI units or inch-pound units are to be regarded separately as a 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.
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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
C42/C42M Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete
C114 Test Methods for Chemical Analysis of Hydraulic Cement
C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
C823 Practice for Examination and Sampling of Hardened Concrete in Constructions
C1084 Test Method for Portland-Cement Content of Hardened Hydraulic-Cement Concrete
D1193 Specification for Reagent Water
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E832 Specification for Laboratory Filter Papers
3. Significance and Use
3.1 Water-soluble chloride, when present in sufficient amount, is capable of leading to initiation or acceleration of the corrosion
of metals, such as steel, embedded in or contacting a cement system such as mortar, grout, or concrete. Thus, its determination shall
be required to evaluate the potential of a cement system for undergoing such reactions or to investigate cement systems where such
reaction has already occurred. However, it must be recognized that water-soluble chloride determined at some particular time in
the life of a cement system is capable of being substantially different than that at another time; for example, the service
environment is capable of resulting in a higher water-soluble chloride content due to changes in solubility or a lower one due to
leaching.
3.1.1 Test conditions are capable of affecting water-soluble chloride determinations. Take caution when comparing results from
this test method with those from other test methods.
3.2 Sulfides are known to interfere with the determination of chloride content. Blast-furnace slag aggregates and cements
contain sulfide sulfur in concentrations that are capable of such interference and produce erroneously high test results. Treatment
with hydrogen peroxide, as discussed in Test Methods C114, is used to eliminate such interference.
1
This test method is under the jurisdiction of ASTM Committee C09 on Concrete and Concrete Aggregatesand is the direct responsibility of Subcommittee C09.69 on
Miscellaneous Tests.
Current edition approved Jan. 1, 2008July 1, 2015. Published January 2008August 2015. Originally approved in 1992. Last previous edition approved in 19992008 as
C1218/C1218M – 99.C1218/C1218M – 99 (2008). DOI: 10.1520/C1218_C1218M-99R08.10.1520/C1218_C1218M-15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*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
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C1218/C1218M − 15
3.3 There are aggregates that contain chloride that is not available for corrosion. Such chloride will be detected by use of this
3
test method.
4. Apparatus
4.1 Sampling Equipment:
4.1.1 The ap
...