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DIN EN 12120
Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite; German version EN 12120:2022
Edition
2023-03
DIN EN 12121
Chemicals used for treatment of water intended for human consumption - Sodium disulfite; German version EN 12121:2022
Edition
2023-03
DIN EN 12122
Chemicals used for treatment of water intended for human consumption - Ammonia solution; German and English version prEN 12122:2023
Edition
2023-04
DIN EN 12122
Chemicals used for treatment of water intended for human consumption - Ammonia solution; German version EN 12122:2005
Edition
2005-08
DIN EN 12123
Chemicals used for treatment of water intended for human consumption - Ammonium sulfate; German version EN 12123:2022
Edition
2022-10
DIN EN 12124
Chemicals used for treatment of water intended for human consumption - Sodium sulfite; German version EN 12124:2022
Edition
2022-10
DIN EN 12125
Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate; German version EN 12125:2022
Edition
2022-10
DIN EN 12126
Chemicals used for treatment of water intended for human consumption - Liquefied ammonia; German version EN 12126:2022
Edition
2022-10
DIN EN 12173
Chemicals used for treatment of water intended for human consumption - Sodium fluoride; German version EN 12173:2012
Edition
2013-01
DIN EN 12174
Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate; German version EN 12174:2022
Edition
2023-03