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.
PUBLISHED
SRPS EN 25663:2009
PROJECT
prSRPS EN ISO 5663:2025
10.99
New project approved
Mar 15, 2025