NEN EN 938 : 2016
Current
The latest, up-to-date edition.
CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM CHLORITE
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Description
3.1 Identification
3.2 Commercial form
3.3 Physical properties
3.4 Chemical properties
4 Purity criteria
4.1 Composition of commercial product
4.2 Impurities and main by-products
4.3 Toxic substances
5 Test methods
5.1 Sampling
5.2 Analysis
6 Labelling - Transportation - Storage
6.1 Means of delivery
6.2 Risk and safety labelling according to EU Directives
6.3 Transportation regulations and labelling
6.4 Marking
6.5 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
Explains the characteristics of sodium chlorite and specifies the requirements and the corresponding test methods for sodium chlorite. Pertains to sodium chlorite used for treatment of water intended for human consumption.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN 938:2016-09 | Identical |
| I.S. EN 938:2016 | Identical |
| UNI EN 938 : 2009 | Identical |
| UNE-EN 938:2016 | Identical |
| BS EN 938:2009 | Identical |
| EN 938:2016 | Identical |
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