• 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

BS 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Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

Available format(s)

Hardcopy , PDF

Superseded date

30-04-2022

Language(s)

English

Published date

31-01-2013

This European Standard is applicable to sodium disulfite used for treatment of water intended for human consumption. It describes the characteristics of sodium disulfite and specifies the requirements and the corresponding test methods for sodium disulfite. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see Annex B).

Committee
B/504/10
DevelopmentNote
Supersedes 95/125141 DC (08/2004) Supersedes 12/30258182 DC. (02/2013)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ONORM EN 12121 : 2013 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
UNI 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

View more information
£186.00
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.