Reference number
ISO 5663:1984
© ISO 2025
International Standard
ISO 5663:1984
Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium
Edition 1
1984-05
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Published (Edition 1, 1984)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

ISO 5663:1984

Language
Format
CHF 43
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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.

General information

  • Status
     : Published
    Publication date
     : 1984-05
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 1
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 147/SC 2
    ICS :
    13.060.50 
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