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BS EN 973:2009

Current
Current

The latest, up-to-date edition.

Chemicals used for treatment of water intended for human consumption. Sodium chloride for regeneration of ion exchangers
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-30-2009

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
                        chloride
Annex B (normative) - Analytical methods
Annex C (normative) - Determination of nitrogen trichloride
                      (molecular absorption spectrometry)
Annex D (informative) - Determination of arsenic, antimony
                        and selenium (atomic absorption
                        spectrometry hydride technique)
Bibliography

Pertains to sodium chloride intended for use only in water treatment apparatus, for the regeneration of ion exchangers, intended for water for human consumption.

Committee
B/504/10
DevelopmentNote
Supersedes 93/500118 DC. (09/2002)
DocumentType
Standard
Pages
54
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
I.S. EN 973:2009 Identical
DIN EN 973:2009-12 Identical
NS EN 973 : 2009 Identical
UNI EN 973 : 2009 Identical
NF EN 973 : 2009 Identical
NEN EN 973 : 2009 Identical
EN 973:2009 Identical
UNE-EN 973:2010 Identical
NBN EN 973 : 2009 Identical
SN EN 973 : 2009 Identical

ISO 3165:1976 Sampling of chemical products for industrial use — Safety in sampling
ISO 2483:1973 Sodium chloride for industrial use — Determination of the loss of mass at 110 degrees C
ISO 6227:1982 Chemical products for industrial use General method for determination of chloride ions Potentiometric method
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
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 2482:1973 Sodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methods
ISO 8213:1986 Chemical products for industrial use — Sampling techniques — Solid chemical products in the form of particles varying from powders to coarse lumps
ISO 2479:1972 Sodium chloride for industrial use — Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations
ISO 2480:1972 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method

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