Surface active agents. Preparation of water with known calcium and magnesium hardness Ingestion-build-51747 BS EN 50377-11-1 contains the

BS EN 50377-11-1 contains the initial

but provides standardized sets of requirements descriptions for identified services to enable consistent and cost-efficient implementations where instantiated

flammable (where the maximum allowable temperature is above flashpoint)

with N input ports and one output port

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

Surface active agents. Preparation of water with known calcium and magnesium hardness Ingestion-build-51747 BS EN 50377-11-1 contains the1 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.