EN 12120:2012
Superseded
Superseded
Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite
Published date
11-14-2012
Publisher
Superseded date
04-27-2022
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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 hydrogen sulfite
Bibliography
This European Standard is applicable to sodium hydrogen sulfite used for treatment of water intended for human consumption. It describes 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.
| Committee |
CEN/TC 164
|
| DevelopmentNote |
Supersedes PREN 12120. (12/2012)
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Superseded
|
| Supersedes |
| Standards | Relationship |
| NBN EN 12120 : 2013 | Identical |
| NF EN 12120 : 2013 | Identical |
| PN EN 12120 : 2013 | Identical |
| BS EN 12120:2012 | Identical |
| DIN EN 12120:2013-02 | Identical |
| I.S. EN 12120:2012 | Identical |
| NEN EN 12120 : 2012 | Identical |
| NS EN 12120 : 2012 | Identical |
| DS EN 12120 : 2013 | Identical |
| UNE-EN 12120:2013 | Identical |
| ISO 3165:1976 | Sampling of chemical products for industrial use — Safety in sampling |
| ISO 6353-1:1982 | Reagents for chemical analysis — Part 1: General test methods |
| ISO 418:2001 | Photography — Processing chemicals — Specifications for anhydrous sodium sulfite |
| ISO 9297:1989 | Water quality — Determination of chloride — Silver nitrate titration with chromate indicator (Mohr's method) |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
| ISO 22743:2006 | Water quality — Determination of sulfates — Method by continuous flow analysis (CFA) |
| 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 |
| ISO 5993:1979 | Sodium hydroxide for industrial use — Determination of mercury content — Flameless atomic absorption spectrometric method |
Summarise
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