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  • ONORM EN 12121 : 2013

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Available format(s): 

    Superseded date:  04-11-2022


    Published date:  12-01-2013

    Publisher:  Osterreichisches Normungsinstitut/Austrian Standards

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    Abstract - (Show below) - (Hide below)

    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.

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    Committee TC 140
    Document Type Standard
    Publisher Osterreichisches Normungsinstitut/Austrian Standards
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    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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