NS EN 899 Ed. 2 (2003)被替代
Chemicals Used For Treatment Of Water Intended For Human Consumption - Sulfuric Acid
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Applies to sulfuric acid for treating water intended for human consumption. Covers the characteristics of the acid and defines the requirements and methods of tests.
UNE EN 899:2004 - Identical
SS EN 899 Ed. 2 (2003) - Identical
NF EN 899:2003 - Identical
UNI EN 899:2004 - Identical
I.S. EN 899:2003 - Identical
NF EN 899:2009 - Identical
NBN EN 899:2003 - Identical
ONORM EN 899:2003 - Identical
DIN EN 899 (2003-09) - Identical
BS EN 899:2003 - Identical
NEN EN 899:2003 - Identical
SN EN 899:2003 - Identical
NEN EN 899:2009 - Identical
SS EN 899 Ed. 3 (2009) - Identical
UNI EN 899:2009 - Identical
