ISO 7890-3:1988
Water quality; determination of nitrate; part 3: spectrometric method using sulfosalicylic acid

Standard No.

ISO 7890-3:1988

Release Date

1988

Published By

International Organization for Standardization (ISO)

Latest

ISO 7890-3:1988

Scope

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.

ISO 7890-3:1988 history

• 1988 ISO 7890-3:1988 Water quality; determination of nitrate; part 3: spectrometric method using sulfosalicylic acid