ASTM C1524
Standard Test Method for Water-Extractable Chloride in Aggregate (Soxhlet Method)
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About This Item
ASTM C1524 is the ASTM standard for determining water-extractable chloride in aggregate using the Soxhlet method. It provides a focused test method for measuring chloride that can be removed from aggregate by water extraction, helping users evaluate aggregate quality with a defined laboratory procedure. This matters because chloride content may affect material performance and project specifications, making a consistent testing approach useful for procurement, acceptance, and quality control decisions.
Overview of ASTM C1524
Standard Test Method for Water-Extractable Chloride in Aggregate (Soxhlet Method) describes a laboratory procedure for assessing the chloride that can be extracted from aggregate with water under controlled conditions. ASTM C1524 is intended to support repeatable measurement and comparison of results across testing programs. As a technical document, it is commonly used when chloride evaluation is part of material review, specification compliance, or product acceptance. The Soxhlet method name indicates the extraction approach used in the test.
Common use cases of ASTM C1524
This standard is commonly used when aggregate needs to be checked for water-extractable chloride content before use in construction-related applications. It may be applied in laboratory testing workflows where sample preparation, extraction, and result reporting must follow a recognized ASTM procedure. ASTM C1524 is also relevant in supplier qualification, incoming materials inspection, and project-specific quality control when chloride limits or performance concerns make standardized aggregate testing important.
Benefits of using ASTM C1524
Using ASTM C1524 helps organizations apply a consistent method for evaluating water-extractable chloride in aggregate. That consistency supports more reliable comparisons between samples, clearer compliance checks, and better documentation for procurement and acceptance decisions. It can also help reduce uncertainty in quality control programs by using a defined testing method rather than an informal procedure. For teams managing material performance risk, the standard offers a practical basis for technical review and repeatable laboratory assessment.
- Water-extractable chloride measurement
- Soxhlet extraction procedure
- Aggregate testing and quality control
- Specification and compliance support
- Laboratory evaluation of material suitability
- Publication Date: 2021-02-04
- Publisher: ASTM
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