Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test; German version EN 12902:2004— 36 стр.
Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide, calcium magnesium carbonate and dolomitic lime - Test methods; German and English version prEN 12485:2015
Chemicals used for treatment of water intended for human consumption - Half-burnt dolomite; German version EN 1017:2008, Corrigendum to DIN EN 1017:2008-04; German version EN 1017:2008/AC:2009— 2 стр.
Chemicals used for treatment of water intended for human consumption - Half-burnt dolomite; German version EN 1017:2008, Corrigendum to DIN EN 1017:2008-04; German version EN 1017:2008/AC:2009— 2 стр.
