
Chemicals Used For Treatment Of Water Intended For Human Consumption - Hydrochloric Acid
出版:National Standards Authority of Ireland

專家解讀視頻
Applies to hydrochloric acid used for treating water for human consumption.
NEN EN 939:1999 - Identical
SS EN 939 Ed. 1 (1999) - Identical
UNE EN 939:2000 - Identical
NS EN 939 Ed. 1 (2000) - Identical
NF EN 939:1999 - Identical
NBN EN 939 Ed. 1 (2000) - Identical
UNI EN 939:2004 - Identical
ONORM EN 939:2000 - Identical
DIN EN 939 (2000-04) - Identical
BS EN 939:2000 - Identical
SN EN 939:2000 - Identical