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I.S. EN 12121:2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by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

Available format(s)

Hardcopy , PDF

Superseded date

12-05-2022

Superseded by

I.S. EN 12121:2022

Language(s)

English

Published date

01-01-2012

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

€37.00
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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 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
Pages
22
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
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
UNI EN 12121 : 2013 Identical
ONORM EN 12121 : 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 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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