

專家解讀視頻
Applies to hydrochloric acid used for treating water for human consumption. Covers characteristics of hydrochloric acid and defines requirements and corresponding test procedures for hydrochloric acid, providing information on its use in treatment of water.
SN EN 939:2000 - Identical
BS EN 939:2000 - Identical
DIN EN 939 (2000-04) - Identical
ONORM EN 939:2000 - Identical
UNI EN 939:2004 - Identical
NF EN 939:1999 - Identical
I.S. EN 939:2000 - Identical
NS EN 939 Ed. 1 (2000) - Identical
UNE EN 939:2000 - Identical
SS EN 939 Ed. 1 (1999) - Identical
NEN EN 939:1999 - Identical
SS EN 939 Ed. 2 (2009) - Identical
NEN EN 939:2009 - Identical