Reference number
ISO 7890-3:1988
© ISO 2024
International Standard
ISO 7890-3:1988
Water quality — Determination of nitrate — Part 3: Spectrometric method using sulfosalicylic acid
Edition 1
1988-12
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Published (Edition 1, 1988)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

ISO 7890-3:1988

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Format
CHF 42
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Abstract

Procedure given is applicable to raw and potable water. The range covers a nitrat nitrogen concentration up to 0,2 mg/l using the maximum test portion of 25 ml. Using cells of path length 40 mm and a 25 ml test portion the limit of detection lies within the range 0,003 to 0,013 mg/l.

General information

  • Status
     : Published
    Publication date
     : 1988-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 147/SC 2
    ICS :
    13.060.50 
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