UNI EN 12121 : 2013
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM DISULFITE
08-06-2022
01-01-2013
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 disulfite
Annex B (normative) - General rules relating to
safety
Bibliography
Pertains to sodium disulfite used for treatment of water intended for human consumption.
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ONORM EN 12121 : 2013 | Identical |
| BS EN 12121:2012 | Identical |
| NBN EN 12121 : 2013 | Identical |
| EN 12121:2012 | Identical |
| NEN EN 12121 : 2012 | Identical |
| DIN EN 12121:2013-02 | Identical |
| SN EN 12121 : 2012 | Identical |
| NS EN 12121 : 2012 | Identical |
| UNE-EN 12121:2013 | Identical |
| NF EN 12121 : 2013 | Identical |
| I.S. EN 12121:2012 | 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 3629:2000 | Photography Processing chemicals Specifications for potassium metabisulfite |
| 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 |
| ISO 8213:1986 | Chemical products for industrial use — Sampling techniques — Solid chemical products in the form of particles varying from powders to coarse lumps |
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