DIN EN 12121:2023-03
Chemicals used for treatment of water intended for human consumption - Sodium disulfite; German version EN 12121:2022 / Note: This standard is part of the DVGW body of rules.

Standard No.
DIN EN 12121:2023-03
Release Date
2023
Published By
German Institute for Standardization
Latest
DIN EN 12121:2023-03

DIN EN 12121:2023-03 history

  • 2023 DIN EN 12121:2023-03 Chemicals used for treatment of water intended for human consumption - Sodium disulfite; German version EN 12121:2022 / Note: This standard is part of the DVGW body of rules.
  • 1970 DIN EN 12121 E:2020-07
  • 2013 DIN EN 12121:2013 Chemicals used for treatment of water intended for human consumption.Sodium disulfite; German version EN 12121:2012
  • 0000 DIN EN 12121:2012
  • 0000 DIN EN 12121:2005
Chemicals used for treatment of water intended for human consumption - Sodium disulfite; German version EN 12121:2022 / Note: This standard is part of the DVGW body of rules.


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