Standard Historical Last Updated: Jan 14, 2013 Track Document
ASTM C1152/C1152M-04e1

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

Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete C1152_C1152M-04E01 ASTM|C1152_C1152M-04E01|en-US Standard Test Method for Acid-Soluble Chloride in Mortar and Concrete Standard new BOS Vol. 04.02 Committee C09
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Significance and Use

The amount of acid-soluble chloride in most hydraulic-cement systems is equal to the total amount of chloride in the system. However, some organic substances that may be introduced into mortar or concrete contain chloride that is initially acid-insoluble that can eventually ionize and thus become acid-soluble or water-soluble after a period of exposure in the very alkaline cement system.

Sulfides are known to interfere with the determination of chloride content. Blast-furnace slag aggregates and cements contain sulfide sulfur in concentrations that can cause such interference and produce erroneously high test results. Treatment with hydrogen peroxide, as discussed in Test Methods C 114, is used to eliminate such interference.

There are aggregates that contain chloride that is not available for corrosion. Such chloride will be detected by the use of this method.4


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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Book of Standards Volume: 04.02
Developed by Subcommittee: C09.69
Pages: 4
DOI: 10.1520/C1152_C1152M-04E01
ICS Code: 91.100.10; 91.100.30