40.97 End of interruption of work - split/merged May 7, 1993
CEN
CEN/TC 164 Water supply
European Norm
This European standard is applicable to aluminium sulfate, special grade, used for treatment of water intended for human consumption. It specifies the characteristics of and the analytical methods for aluminium sulfate, special grade, and gives information on its use in water treatment. "Special grade" signifies that the product is subject to comply with particular technical performance in accordance with the water plant requirements such as acidification of the water.
ABANDON
prEN 880
40.97
End of interruption of work - split/merged
May 7, 1993