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Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023)
Oznaka:prEN ISO 23696-1
Odbor:HZN/TO 147
Ime odbora:Kvaliteta vode
Nacrt objavljen za komentiranje:2025-09-19
Rok za komentiranje:2025-10-13
Broj komentara:0
Contact email:nacrti(at)hzn.hr
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This document specifies a method for the determination of nitrate as NO3-N in water of various origin such as natural water (including groundwater, surface water and bathing water), drinking water and wastewater, in a measuring range of concentration between 0,10 mg/l and 225 mg/l of N03-N using the small-scale sealed tube method. Different measuring ranges of small-scale sealed tube methods can be required.

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