Published
This international/European standard specifies a method for the determination of nitrogen present in water, in the form of free ammonia, ammonium, nitrite, nitrate and organic nitrogen compounds capable of conversion to nitrate under the oxidative conditions described. Dissolved nitrogen gas is not determined by this method.
WITHDRAWN
SSH ISO/TR 11905-2:2000
PUBLISHED
SSH EN ISO 11905-1:1998
60.60
Standard published
Dec 31, 2004