Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts; German version EN 15040:2006— 24 стр.
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polycarboxilic acids and salts; German version EN 15039:2006— 27 стр.
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polycarboxilic acids and salts; German version EN 15039:2014— 28 стр.
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polyphosphates; German version EN 15041:2014— 14 стр.