99.60 Withdrawal effective Nov 17, 2021
CEN
CEN/TC 230 Water analysis
European Norm
13.060.50 Examination of water for chemical substances
This European Standard specifies a method for the determination of nitrogen in water in the form of free ammonia, ammonium, nitrite, nitrate and organic compounds capable of conversion to nitrogen oxides under the oxidative conditions described. Determination is carried out instrumentally. Dissolved nitrogen gas is not determined by this method.
This method is applicable to the analysis of surface water, waste water and treated sewage effluent.
WITHDRAWN
ENV 12260:1996
WITHDRAWN
EN 12260:2003
99.60
Withdrawal effective
Nov 17, 2021
PUBLISHED
EN ISO 20236:2021