NS EN 12122 Ed. 2 (2005)現行
Chemicals Used For Treatment Of Water Intended For Human Consumption - Ammonia Solution
出版：Norwegian Standards (Norges Standardiseringsforbund)
專家解讀視頻
Specifies the characteristics and specifies the requirements of ammonia solution and refers to the corresponding analytical methods. It gives information for its use in water treatment. It also determines the rules relating to safe handling and use of ammonia solution (see Annex B).
NEN EN 12122:2005 - Identical
DIN EN 12122 (2005-08) - Identical
ONORM EN 12122:2005 - Identical
NF EN 12122:2005 - Identical
NBN EN 12122:2005 - Identical
UNI EN 12122:2005 - Identical
I.S. EN 12122:2005 - Identical
UNE EN 12122:2006 - Identical
SS EN 12122 Ed. 2 (2006) - Identical
SN EN 12122:2005 - Identical
BS EN 12122:2005 - Identical
