UNE-EN ISO 7393-2:2019
Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017)

Standard No.

UNE-EN ISO 7393-2:2019

Release Date

2019

Published By

ES-UNE

Latest

UNE-EN ISO 7393-2:2019

UNE-EN ISO 7393-2:2019 history

• 2019 UNE-EN ISO 7393-2:2019 Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017)
• 2000 UNE-EN ISO 7393-2:2000 WATER QUALITY. DETERMINATION OF FREE CHLORINE AND TOTAL CHLORINE. PART 2: COLORIMETRIC METHOD USING N, N-DIETHYL-1,4-PHENYLENEDIAMINE, FOR ROUTINE CONTROL PURPOSES (ISO 7393-2:1985)