Chemicals used for water treatment intended for human consumption. Polyamines Ingestion-build-117251 surface treatment and marking details

surface treatment and marking details have also been provided in BS EN 4008-013

The formulae specified are applicable for driving as well as for driven cylindrical gears with tooth profiles in line with the basic rack specified in ISO 53

ISO 28620 outlines essential requirements and related test methods for non-electrically driven portable infusion devices

processes and services on a national and international basis and so furthering international trade

users can develop and assess relays and contactors that are used to operate contact terminals and transmit power from one electrical device to another

Chemicals used for water treatment intended for human consumption. Polyamines Ingestion-build-117251 surface treatment and marking details1 Scope This European Standard is applicable to polyamines used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for polyamines. It gives information on its use in water treatment.