Chemical products for industrial use; Sampling techniques; Solid chemical products in the form of particles varying from powders to coarse lumps— 36 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 - Polyphosphates; German version EN 15041:2006— 12 стр.