ISO 5663:1984, Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium
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Description
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. This title may contain less than 24 pages of technical content.
