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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF T90-037-2 ; NF EN ISO 7393-2:2018-03-21
Water quality - Determination of free chlorine and total chlorine - Part 2: colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes

Title (German)

Wasserbeschaffenheit - Bestimmung von freiem Chlor und Gesamtchlor - Teil 2: Kolorimetrisches Verfahren mit N,N-Diethyl-1,4-Phenylendiamin für Routinekontrollen

Edition 2018-03-21

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF T90-037-2 ; NF EN ISO 7393-2:2018-03-21 Water quality - Determination of free chlorine and total chlorine - Part 2: colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes

Want to learn more?

NF T90-037-2 ; NF EN ISO 7393-2:2018-03-21
Water quality - Determination of free chlorine and total chlorine - Part 2: colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes