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ISO 5663:1984

Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium ISO 5663:1984

Publication date:   May 1, 1984

General information

90.92   Standard to be revised   Mar 14, 2025

ISO

ISO/TC 147/SC 2 Physical, chemical and biochemical methods

International Standard

13.060.50   Examination of water for chemical substances

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 5663:1984
90.92 Standard to be revised
Mar 14, 2025

REVISED BY

IN_DEVELOPMENT
ISO/AWI 5663




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