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.
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts; German version EN 15040:2014— 24 стр.
Chemicals used for treatment of water intended for human consumption - Silver salts for intermittent use; German version EN 15030:2012+A1:2015— 23 стр.
Determination of certain substances in electrotechnical products - Part 5: Cadmium, lead and chromium in polymers and electronics and cadmium and lead in metals by AAS, AFS, ICP-OES and ICP-MS (IEC 62321-5:2013) (english version)