
Water Quality - Determination Of Free Chlorine And Total Chlorine - Part 2: Colorimetric Method Using N,n-diethyl-1,4-phenylenediamine, For Routine Control Purposes
出版:Asociacion Espanola de Normalizacion

专家解读视频
Defines a procedure for the determination of free chlorine and total chlorine in water, readily applicable to field testing. Based on measurement of colour intensity by visual comparison of the colour with a standards scale that is regularly calibrated. Special methods are required for sea water and waters containing iodides and bromides.
Supersedes UNE 77064 (08/2003)
EN ISO 7393-2:2018 - Identical
NEN EN ISO 7393-2:2018 - Identical
NF EN ISO 7393-2:2018 - Identical
I.S. EN ISO 7393-2:2000 - Identical
DIN EN ISO 7393-2 : 2000 - Identical
EN ISO 7393-2 : 2018 - Identical
UNI EN ISO 7393-2 : 2002 - Identical
NBN EN ISO 7393-2 : 2000 - Identical
BS EN ISO 7393-2 : 2000 - Identical
ONORM EN ISO 7393-2 : 2000 - Identical
SN EN ISO 7393-2 : 2000 - Identical
ISO 7393-2 : 1985 - Identical
NS EN ISO 7393-2:2018 - Identical
NBN EN ISO 7393-2 : 2000 - Identical
DIN EN ISO 7393-2 E : 2000 - Identical
NF EN ISO 7393-2 : 2018 - Identical
EN ISO 7393-2 : 2018 - Identical
ONORM EN ISO 7393-2 : 2000 - Identical
NS EN ISO 7393-2 : 2018 - Identical
I.S. EN ISO 7393-2:2018&LC:2018 - Identical
SN EN ISO 7393-2 : 2000 - Identical
UNI EN ISO 7393-2 : 2002 - Identical
NEN EN ISO 7393-2 : 2018 - Identical
BS EN ISO 7393-2 : 2000 - Identical
EN ISO 7393-2:2017 - Identical
SN EN ISO 7393-2:2000 - Identical
BS EN ISO 7393-2:2000 - Identical
DIN EN ISO 7393-2 (2000-04) - Identical
ONORM EN ISO 7393-2:2000 - Identical
NBN EN ISO 7393-2:2000 - Identical
NF EN ISO 7393-2:2000 - Identical
UNI EN ISO 7393-2:2002 - Identical
I.S. EN ISO 7393-2:2000 - Identical
NS EN ISO 7393-2 Ed. 1 (2000) - Identical
ISO 7393-2:1985 - Identical
SS EN ISO 7393-2 Ed. 1 (2000) - Identical
NEN EN ISO 7393-2:2000 - Identical