NEN EN 12120 : 2012
Current
The latest, up-to-date edition.
CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROGEN SULFITE
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 Analyses
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
hydrogen sulfite
Annex B (informative) Bibliography
Specifies the characteristics of sodium hydrogen sulfite and specifies the requirements and the corresponding test methods for sodium hydrogen sulfite. It gives information on its use in water treatment.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| UNI EN 12120 : 2013 | Identical |
| I.S. EN 12120:2012 | Identical |
| ONORM EN 12120 : 2013 | Identical |
| BS EN 12120:2012 | Identical |
| DIN EN 12120:2013-02 | Identical |
| NF EN 12120 : 2013 | Identical |
| UNE-EN 12120:2013 | Identical |
| NS EN 12120 : 2012 | Identical |
| EN 12120:2012 | Identical |
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