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Norm
ISO 5663:1984
Issue date: 1984 05 01
Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium
Specifies a procedure for the determination of trivalent negative nitrogen. Organic nitrogen in the form of azide, azine, azo, hydrazone, nitrite, nitro, nitroso, oxime o...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 4 Pages
Language:
English
ICS
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.
