ISO 7890-3:1988

Current Revision
Water quality - Determination of nitrate - Part 3 : Spectrometric method using sulfosalicylic acid

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ISO 7890-3:1988

Water quality - Determination of nitrate - Part 3 : Spectrometric method using sulfosalicylic acid

PUBLISH DATE 1988
ISO 7890-3:1988

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.

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