Procedure given is applicable to the direct analysis of potable and raw water, but is particularly intended for polluted waters and saline waters. The range covers a nitrat nitrogen concentration up to 45 mg/l using a 5 ml test portion, and a cell of path length 10 mm. A concentration of 0,22 mg/l can be detected. Potential interferences from nitrite and chloride are removed, certain substances may distil over and colour the distillate.

General information

  • Status :  Withdrawn
    Publication date : 1986-01
  • Edition : 1
    Number of pages : 4
  • :
    ISO/TC 147/SC 2
    Physical, chemical and biochemical methods
  • 13.060.50
    Examination of water for chemical substances

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