This European Standard describes the characteristics and specifies the requirements and the corresponding test methods for tetrapotassium pyrophosphate used for treatment of water intended for human consumption. It gives information on its use in water treatment.
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
Shqip