• There are no items in your cart
We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
Dismiss alert

I.S. EN 12120:2012

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROGEN SULFITE
Available format(s)

Hardcopy , PDF

Superseded date

12-05-2022

Language(s)

English

Published date

01-01-2012

Preview

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.

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

Pertains to sodium hydrogen sulfite 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Superseded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
NF EN 12120 : 2013 Identical
EN 12120:2012 Identical
BS EN 12120:2012 Identical
DIN EN 12120:2013-02 Identical
NEN EN 12120 : 2012 Identical
NS EN 12120 : 2012 Identical
UNE-EN 12120:2013 Identical
SN EN 12120 : 2012 Identical
UNI EN 12120 : 2013 Identical
NBN EN 12120 : 2013 Identical
ONORM 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

View more information
£33.86
Excluding VAT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.