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ONORM EN 12121 : 2013

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date

04-11-2022

Published date

12-01-2013

Publisher

Osterreichisches Normungsinstitut/Austrian Standards

Diese Europäische Norm gilt für Natriumdisulfit zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von Natriumdisulfit und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Natriumdisulfit fest. Die Norm gibt Informationen für die Anwendung von Natriumdisulfit in der Wasseraufbereitung. Sie legt darüber hinaus Regeln für die sichere Handhabung und Benutzung fest.

Committee
TC 140
DocumentType
Standard
PublisherName
Osterreichisches Normungsinstitut/Austrian Standards
Status
Superseded
SupersededBy

Standards Relationship
NF EN 12121 : 2013 Identical
UNE-EN 12121:2013 Identical
NBN EN 12121 : 2013 Identical
NEN EN 12121 : 2012 Identical
NS EN 12121 : 2012 Identical
I.S. EN 12121:2012 Identical
SN EN 12121 : 2012 Identical
UNI EN 12121 : 2013 Identical
BS EN 12121:2012 Identical
EN 12121:2012 Identical
DIN EN 12121:2013-02 Identical

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 3629:2000 Photography Processing chemicals Specifications for potassium metabisulfite
ISO 9297:1989 Water quality Determination of chloride Silver nitrate titration with chromate indicator (Mohr's method)
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 22743:2006 Water quality Determination of sulfates Method by continuous flow analysis (CFA)
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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