DIN-EN-1421 › Complete Document History
Chemicals used for treatment of water intended for human consumption - Ammonium chloride; German version EN 1421:2012

Complete Current Edition:
   2022 EDITION - ENGLISH VERSION OF DIN-EN-1421 - Dec. 1, 2022

Obsolete Revision Information:
   2013 EDITION - ENGLISH VERSION OF DIN-EN-1421 - March 1, 2013
   2005 EDITION - ENGLISH VERSION OF DIN-EN-1421 - Sept. 1, 2005
   1996 EDITION - ENGLISH VERSION OF DIN EN 1421 - June 1, 1996