OS GSO ISO 7890-3:2013

ISO 7890-3:1988

Omani Standard Current Edition · Approved on 01 April 2013

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

OS GSO ISO 7890-3:2013 Files

English 4 Pages

Current Edition Reference Language

OMR 20.31

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OS GSO ISO 7890-3:2013 Scope

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.

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