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

Standard No.

ISO 5663:1984

Release Date

1984

Published By

International Organization for Standardization (ISO)

Latest

ISO 5663:1984

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.

ISO 5663:1984 history

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