
Chemicals Used For Treatment Of Water Intended For Human Consumption - Sodium Chlorite
出版:Italian Standards

專家解讀視頻
Applies to sodium chlorite used for treatment of water intended for human consumption and explains the characteristics of sodium chlorite and determines the requirements and the corresponding test methods for sodium chlorite.
NEN EN 938:2016 - Identical
ONORM EN 938:2009 - Identical
BS EN 938:2016 - Identical
EN 938:2016 - Identical
SS EN 938 Ed. 3 (2016) - Identical
NF EN 938:1999 - Identical
NS EN 938 Ed. 1 (2000) - Identical
UNE EN 938:2000 - Identical
UNE EN 938:2009 - Identical
SN EN 938:2009 - Identical
NS EN 938:2009 - Identical
NF EN 938:2009 - Identical
NBN EN 938:2009 - Identical
DIN EN 938 (2009-04) - Identical
SS EN 938 Ed. 2 (2009) - Identical
NEN EN 938:2009 - Identical
SN EN 938:2000 - Identical
ONORM EN 938:2000 - Identical