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BS EN 974:2003

Current
Current

The latest, up-to-date edition.

Chemicals used for treatment of water intended for human consumption. Phosphoric acid
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-06-2004

Publisher

British Standards Institution

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 phosphoric acid
Annex B (normative) General rules relating to the safety
Annex C (informative) Determination of concentration by
        measurement of density
Bibliography

Applies to phosphoric acid for treating water for human consumption. Covers the characteristics and defines requirements and corresponding methods of test for phosphoric acid, together with information on use for treatment of water.

Committee
B/504/10
DevelopmentNote
Supersedes 00/123895 DC (02/2004) Supersedes 93/500119 DC. (03/2007)
DocumentType
Standard
Pages
24
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
UNE-EN 974:2004 Identical
NEN EN 974 : 2003 Identical
NS EN 974 : 2ED 2003 Identical
EN 974:2003 Identical
I.S. EN 974:2003 Identical
NBN EN 974 : 2003 Identical
UNI EN 974 : 2004 Identical
SN EN 974 : 2003 Identical
NF EN 974 : 2004 Identical
DIN EN 974:2004-01 Identical

ISO 3165:1976 Sampling of chemical products for industrial use — Safety in sampling
ISO 4285:1977 Phosphoric acid for industrial use — Guide to sampling techniques
ISO 758:1976 Liquid chemical products for industrial use — Determination of density at 20 degrees C
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 5993:1979 Sodium hydroxide for industrial use — Determination of mercury content — Flameless atomic absorption spectrometric method
ISO 649-2:1981 Laboratory glassware — Density hydrometers for general purposes — Part 2: Test methods and use
ISO 3706:1976 Phosphoric acid for industrial use (including foodstuffs) — Determination of total phosphorus (V) oxide content — Quinoline phosphomolybdate gravimetric method
ISO 2997:1974 Phosphoric acid for industrial use — Determination of sulphate content — Method by reduction and titrimetry

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Hardcopy - English
PDF - English
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