Use specification limits in concrete are intended to minimize. Chloride contents in concrete can be expressed as either total, acidsoluble or watersoluble proportions. Standard test method for acidsoluble chloride in mortar. Some samples were also prepared by doubling the amount of each reagent, resulting in a sample solution volume of 200 ml. Watersoluble chloride contents were measured on the background concrete without admixed chlorides, 0. Chloride test is used to determine the amount of acidsoluble chlorides. Astmc1152 standard test method for acidsoluble chloride in mortar and concrete ics number code 91.
If not nahco 3 soluble, then it is a weak organic acid class a w. Then v e in ml is the volume of silver nitrate added. Analysis of water soluble chloride content in concrete rilem. Analysis of water soluble chloride content in concrete. Pdf a rapid method for measuring the acidsoluble chloride. If the chloride content is very low, an analysis with 50 ml v p of the remaining solution is made after adding v t 5 ml of hydrochloric acid 0. Pdf evaluation of chloride limits for reinforced concrete phase a. Evaluation of chloride limits for reinforced concrete phase a. Measure 2 ml of nitric acid in a 10ml graduated cylinder, and measure 38. Buy astm ccme1 standard test method for acid soluble chloride in mortar and concrete from sai global. A rapid method for measuring the acid soluble chloride content of powdered concrete samples.
Make up to the one litre mark with distilled water and mix. Use this method to determine the concentration of watersoluble chloride and. Determination of free chlorides in aggregates and concrete. The australian standard test method for acidsoluble chloride has been revised and published as as 1012. Thus, a oratory and powdered samples collected from concrete bridges in rapid test procedure for determining the chloride content of con virginia, pennsylvania. Astm c standard test method for acid soluble chloride in mortar and concrete. In this case, the water soluble chloride content, in g per 100 g of sample, is given by equations 1 and 3. Specification for methods of test for determination. At the same time, a newly developed watersoluble chloride test method has been published as a parallel australian standard as 1012. Acidsoluble chloride contents were measured on the 0. Determination of water soluble chlorides in concrete. Watersoluble chlorides, in combination with oxygen and moisture, can cause.
Pdf factors influencing chloride test results of cementitious. Then add the silver nitrate solution slowly and with constant stirring until the precipitation. Astm c1152 c1152m 042012e1 standard test method for acid. If nahco 3 soluble, then it is a strong organic acid class a s.