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CEN
EN 974:2003

EN 974:2003

Current

Current

The latest, up-to-date edition.

Chemicals used for treatment of water intended for human consumption - Phosphoric acid

Published date

29-10-2003

Publisher

Comite Europeen de Normalisation

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

This European Standard is applicable to phosphoric acid used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for phosphoric acid. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see annex B).NOTEConformity with this standard does not confer or imply acceptance or approval of the product in any of the Member States of the EU or EFTA. The use of the product covered by this European Standard is subject to regulation or control by National Authorities.

Committee
CEN/TC 164
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
DIN EN 974:2004-01 Identical
PN EN 974 : DEC 2004 Identical
UNE-EN 974:2004 Identical
NEN EN 974 : 2003 Identical
NS EN 974 : 2ED 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
BS EN 974:2003 Identical

DIN EN 15028 E : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM CHLORATE
UNE-EN 15028:2013 Chemicals used for treatment of water intended for human consumption - Sodium chlorate
UNI EN 15028 : 2013 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM CHLORATE
DIN EN 15028:2013-01 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM CHLORATE
12/30257910 DC : 0 BS EN 15028 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM CHLORATE
EN 15028:2012 Chemicals used for treatment of water intended for human consumption - Sodium chlorate
I.S. EN 15028:2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM CHLORATE
96/102362 DC : DRAFT MAR 1996 PREN 806-2 - SPECIFICATION FOR INSTALLATION INSIDE BUILDINGS CONVEYING WATER FOR HUMAN CONSUMPTION - PART 2: DESIGN
BS EN 15028:2012 Chemicals used for treatment of water intended for human consumption. Sodium chlorate
PREN 15028 : DRAFT 2012 CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM CHLORATE

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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