Standard Method of Test for
AASHTO Designation: T 260-97 (2005)
1.1.This method covers procedures for the determination of the acid-soluble chloride ion content or the water-soluble chloride ion content of aggregates, portland cement, mortar or concrete.
1.2.The total amount of chloride is usually equal to the acid-soluble chloride. However, organic additives or minerals that contain acid-insoluble chloride may be present in concrete and concrete raw materials.
These constituents may become acid soluble during long-term exposure to the alkaline environment in concrete or mortar.
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