NF EN 25663

NF EN 25663

January 1994
Standard Current mandatory application standard
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Water quality - Determination of kjekldahl nitrogen - Method after mineralization with selenium

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Main informations

Collections

National standards and national normative documents

Publication date

January 1994

Number of pages

4 p.

Reference

NF EN 25663

ICS Codes

13.060.50   Examination of water for chemical substances

Classification index

T90-110

Print number

1 - 01/01/1994

International kinship

ISO 5663:1984

European kinship

EN 25663:1993
Replaced standards (1)
NF T90-110
December 1981
Standard Cancelled
Testing water. Determination of Kjeldahl nitrogen.

Table of contents
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  • 1 Objet et domaine d'application
  • 2 Référence
  • 3 Définition
  • 4 Principe
  • 5 Réactifs
  • 6 Appareillage
  • 7 Échantillonnage et échantillons
  • 8 Mode opératoire
  • 9 Expression des résultats
  • 10 Interférences
  • 11 Notes sur le mode opératoire
  • 12 Procès-verbal d'essai
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