This European Draft Standard specifies a method for the determination of the alkali (sodium and potassium) content of admixtures for concrete, mortar and grouts in accordance with the series EN 934.
DS/EN 480-12:2005 history
2005DS/EN 480-12:2005 Admixtures for concrete, mortar and grout - Test methods - Part 12: Determination of the alkali content of admixtures