Specifies a procedure for the determination of trivalent negative nitrogen. Organic nitrogen in the form of azide, azine, azo, hydrazone, nitrite, nitro, nitroso, oxime or semicarbazone is not determined quantitatively. The procedure is applicable to the analysis of raw, potable and waste waters.
WITHDRAWN
SRPS ISO 5663:2000
95.99
Withdrawal of Standard
PUBLISHED
SRPS EN 25663:2009