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EN 12174:2013

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date

06-06-2022

Published date

05-22-2013

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
        hexafluorosilicate
Annex B (normative) - General rules relating to safety
Bibliography

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

Committee
CEN/TC 164
DevelopmentNote
Supersedes PREN 12174. (06/2013)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
Supersedes

Standards Relationship
PN EN 12174 : 2013 Identical
NBN EN 12174 : 2013 Identical
UNI EN 12174 : 2013 Identical
SANS 12174 : 2ED 2007(R2013) Identical
BS EN 12174:2013 Identical
SN EN 12174 : 2013 Identical
UNE-EN 12174:2013 Identical
NF EN 12174 : 2013 Identical
NEN EN 12174 : 2013 Identical
NS EN 12174 : 2013 Identical
DIN EN 12174:2013-08 Identical
I.S. EN 12174:2013 Identical
ONORM EN 12174 : 2013 Identical
SANS 12174:2021 Identical

ISO 4793:1980 Laboratory sintered (fritted) filters — Porosity grading, classification and designation
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 4281:1977 Sodium hexafluorosilicate for industrial use — Determination of free acidity and total hexafluorosilicate content — Titrimetric method
ISO 5444:1978 Sodium fluorosilicate for industrial use — Determination of loss in mass at 105 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 8213:1986 Chemical products for industrial use — Sampling techniques — Solid chemical products in the form of particles varying from powders to coarse lumps

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