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NF T94-442 ; NF EN 15041:2014-05-02
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polyphosphates
Edition
2014-05-02
NF T94-441 ; NF EN 15040:2014-04-19
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts
Edition
2014-04-19
NF T94-440 ; NF EN 15039:2014-04-19
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polycarboxilic acids and salts
Edition
2014-04-19
NF T94-254 ; NF EN 12518:2014-10-03
Chemicals used for treatment of water intended for human consumption - High-calcium lime
Edition
2014-10-03
UNE-EN 920
Paper and board intended to come into contact with foodstuffs - Determination of dry matter content in an aqueous extract.
Edition
2001-07-27
UNE-EN 13676
Polymer coated paper and board intended for food contact - Detection of pinholes.
Edition
2002-02-28
UNE-EN 1541
Paper and board intended to come into contact with foostuffs - Determination of formaldehyde in an aqueous extract.
Edition
2002-02-28
UNE-EN 12904
Products used for treatment of water intended for human consumption - Silica sand and silica gravel
Edition
2006-02-08
UNE-EN 12902
Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test
Edition
2006-02-08
UNE-EN 1204
Chemicals used for treatment of water intended for human consumption - Calcium tetrahydrogen bis(orthophosphate)
Edition
2006-02-22