CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 7063 | EN 1203:1997 | Chemicals used for treatment of water intended for human consumption - Tripotassium orthophosphate | Atcelts |
| 23007 | EN 1203:2005 | Chemicals used for treatment of water intended for human consumption - Tripotassium orthophosphate | Izstrādē |
| 7064 | EN 1204:1997 | Chemicals used for treatment of water intended for human consumption - Monocalcium phosphate | Atcelts |
| 23008 | EN 1204:2005 | Chemicals used for treatment of water intended for human consumption - Calcium tetrahydrogen bis(orthophosphate) | Izstrādē |
| 6990 | EN 1205:1997 | Chemicals used for treatment of water intended for human consumption - Sodium acid pyrophosphate | Atcelts |
| 23009 | EN 1205:2005 | Chemicals used for treatment of water intended for human consumption - Disodium dihydrogen pyrophosphate | Izstrādē |
| 7065 | EN 1206:1997 | Chemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate | Atcelts |
| 23010 | EN 1206:2005 | Chemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate | Izstrādē |
| 7066 | EN 1207:1997 | Chemicals used for treatment of water intended for human consumption - Tetrapotassium pyrophosphate | Atcelts |
| 23011 | EN 1207:2005 | Chemicals used for treatment of water intended for human consumption - Tetrapotassium pyrophosphate | Izstrādē |
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