DS EN 12485:2010 Chemicals Used For Treatment Of Water Intended For Human Consumption - Calcium Carbonate, High-Calcium Lime, Half-Burnt Dolomite, Magnesium Oxide And Calcium Magnesium Carbonate - Test Methods Describes the methods used for the chemical analyses and the determination of physical properties of calcium carbonate, high-calcium lime and half-burnt dolomite used to treat water for human consumpt