Surface active agents. Preparation of water with known calcium and magnesium hardness Ingestion-build-51747 coastal and flood defence installations

coastal and flood defence installations and appurtenances in seawater and saline mud to provide protection from corrosion

Time taken to ensure the safe condition of the machine following operation of the protective equipment

ISO 8504‑2  provides information on the effectiveness of the individual methods and their fields of application

flammable (where the maximum allowable temperature is above flashpoint)

Surface active agents. Preparation of water with known calcium and magnesium hardness Ingestion-build-51747 coastal and flood defence installations1 Scope This European Standard specifies a method of preparing water of known calcium and magnesium hardness for use in testing surface active agents and products containing them.