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BSI BS EN 1421:2022

Current Revision

Chemicals used for treatment of water intended for human consumption. Ammonium chloride

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Chemicals used for treatment of water intended for human consumption. Ammonium chloride

SDO BSI: British Standards Institution
Document Number BS EN 1421
Publication Date April 29, 2022
Language en - English
Page Count 20
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
April 29, 2022 BS EN 1421:2022 Revision
Jan. 31, 2013 BS EN 1421:2012 Revision
Dec. 21, 2005 BS EN 1421:2005 Revision
March 15, 1997 BS EN 1421:1996 Revision