Abstract / scope
Procedure given is applicable to the direct analysis of potable and raw water. A nitrate nitrogen concentration of up to 25 mg/l in the test portion can be determined. A concentration of 0,06 mg/l can be detected.
ISO 7890-1:1986Withdrawn
Water quality — Determination of nitrate — Part 1: 2,6-Dimethylphenol spectrometric method
Qualité de l'eau — Dosage des nitrates — Partie 1: Méthode spectrométrique au diméthyl-2,6 phénol