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Drejtoria e Përgjithshme e Standardizimit
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ISO 5663:1984

Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium

May 1, 1984

General information

90.92     Mar 14, 2025

ISO

ISO/TC 147/SC 2

International Standard

13.060.50  

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Published

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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

National adoptions

SSH ISO 5663:2000  
DPS

Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium

60.60 Standard published

DPS/KT 230 more