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EN 938:2016

Current
Current

The latest, up-to-date edition.

Chemicals used for treatment of water intended for human consumption - Sodium chlorite
Published date

25-05-2016

Publisher

Comite Europeen de Normalisation

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
SANS 50938 : 1ED 1999(R2014) Identical
BS EN 938:2016 Identical

DIN EN 12255-14 E : 2004 WASTEWATER TREATMENT PLANTS - PART 14: DISINFECTION
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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