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PREN 12174 : DRAFT 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Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date

01-05-2013

Published date

09-11-2012

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

Provides the characteristics of sodium hexafluorosilicate and defines the requirements and the corresponding test methods for sodium hexafluorosilicate.

Committee
TC 164
DocumentType
Draft
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

Standards Relationship
12/30268242 DC : 0 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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