EN 938:2016
Current
The latest, up-to-date edition.
Chemicals used for treatment of water intended for human consumption - Sodium chlorite
25-05-2016
European foreword
Introduction
1 Scope
2 Normative references
3 Description
4 Purity criteria
5 Test methods
6 Labelling - Transportation - Storage
Annex A (informative) - General information on sodium
chlorite
Annex B (normative) - General rules relating to safety
Annex C (normative) - Determination of arsenic, antimony
and selenium (atomic absorption spectrometry hydride
technique)
Bibliography
This European Standard is applicable to sodium chlorite used for treatment of water intended for human consumption. It describes the characteristics of sodium chlorite and specifies the requirements and the corresponding test methods for sodium chlorite. It gives information on its use in water treatment.
| Committee |
CEN/TC 164
|
| DevelopmentNote |
Supersedes PREN 938. (06/2016)
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NF EN 938 : 2016 | Identical |
| NBN EN 938 : 2016 | Identical |
| BS EN 938:2009 | Identical |
| NEN EN 938 : 2016 | Identical |
| PN EN 938 : 2016 | Identical |
| NS EN 938 : 2016 | Identical |
| I.S. EN 938:2016 | Identical |
| UNI EN 938 : 2009 | Identical |
| SN EN 938 : 2016 | Identical |
| UNE-EN 938:2016 | Identical |
| DIN EN 938:2016-09 | Identical |
| BS EN 938:2016 | Identical |
| DIN EN 12255-14:2004-03 | Wastewater treatment plants - Part 14: Disinfection |
| I.S. EN 12255-14:2004 | WASTEWATER TREATMENT PLANTS - PART 14: DISINFECTION |
| DIN EN 12671:2016-09 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - CHLORINE DIOXIDE GENERATED IN SITU |
| UNE-EN 12671:2016 | Chemicals used for treatment of water intended for human consumption - Chlorine dioxide generated in situ |
| BS EN 12671:2009 | Chemicals used for treatment of water intended for human consumption. Chlorine dioxide generated in situ |
| I.S. EN 12671:2016 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - CHLORINE DIOXIDE GENERATED IN SITU |
| EN 12255-14:2003 | Wastewater treatment plants - Part 14: Disinfection |
| 96/102362 DC : DRAFT MAR 1996 | PREN 806-2 - SPECIFICATION FOR INSTALLATION INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 2: DESIGN |
| EN 12671:2016 | Chemicals used for treatment of water intended for human consumption - Chlorine dioxide generated in situ |
| ISO 3165:1976 | Sampling of chemical products for industrial use — Safety in sampling |
| EN ISO 12846:2012 | Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012) |
| ISO/TS 17379-2:2013 | Water quality — Determination of selenium — Part 2: Method using hydride generation atomic absorption spectrometry (HG-AAS) |
| ISO 12846:2012 | Water quality — Determination of mercury — Method using atomic absorption spectrometry (AAS) with and without enrichment |
| ISO 9174:1998 | Water quality — Determination of chromium — Atomic absorption spectrometric methods |
| ISO 8288:1986 | Water quality — Determination of cobalt, nickel, copper, zinc, cadmium and lead — Flame atomic absorption spectrometric methods |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| ISO 17378-2:2014 | Water quality — Determination of arsenic and antimony — Part 2: Method using hydride generation atomic absorption spectrometry (HG-AAS) |
| EN ISO 3696:1995 | Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) |
| ISO 6206:1979 | Chemical products for industrial use — Sampling — Vocabulary |
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