NA 119

DIN Standards Committee Water Practice

Project

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

Abstract

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.

Begin

2025-03-15

WI

00230463

Planned document number

prEN ISO 5663 rev

Responsible national committee

NA 119-09 FBR - Water quality (CEN/TC 230, ISO/TC 147)  

Responsible european committee

CEN/TC 230 - Water analysis  

previous edition(s)

Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984)
1993-09

Order from DIN Media

Contact

Dr.

Anja Sokolowski

Am DIN-Platz, Burggrafenstr. 6
10787 Berlin

Tel.: +49 30 2601-2588
Fax: +49 30 2601-42547

Send message to contact