AS 1012.20.2:2016 pdf free.Methods of testing concrete Method 20.2: Determination of water-soluble chloride in aggregates and hardened concrete. 5 REAGENTS AND STANDARD SOLUTIONS Analytical quality reagents shall be used. The following are required: (a) Distilled water Distilled water shall be used for the preparation of all reagents and standard solutions. (b) Nitric acid Prepare a 1:4 diluted solution of concentrated...
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