DIN 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.
DIN EN ISO 7393-2:2019
Release Date
2019
Published By
German Institute for Standardization
Status
Replace By
DIN EN ISO 7393-2:2019-03
Latest
DIN EN ISO 7393-2:2019-03

DIN EN ISO 7393-2:2019 history

  • 2019 DIN EN ISO 7393-2:2019-03 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); German version EN ISO 7393-2:2018
  • 2019 DIN 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)
  • 1970 DIN EN ISO 7393-2 E:2017-04
  • 2000 DIN 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); German version EN ISO 7393-2:2000
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)



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