Published
Specifiies a method for potable, raw and waste water. A list of effects of other substances on the result is given in the annex. As standard nitrite solutions may become unstable, the concentration of these solutions has to be checked by a given procedure.
PUBLISHED
ISO 6777:1984
90.93
Standard confirmed
Apr 4, 2023
Water quality — Determination of nitrite — Molecular absorption spectrometric method
95.99 Withdrawal of Standard