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  • UNE-EN 938:2016

    Current The latest, up-to-date edition.

    Chemicals used for treatment of water intended for human consumption - Sodium chlorite

    Available format(s):  Hardcopy, PDF

    Language(s):  Spanish, Castilian, English

    Published date:  07-09-2016

    Publisher:  Asociacion Espanola de Normalizacion

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Description
    3.1 Identification
    3.2 Commercial form
    3.3 Physical properties
    3.4 Chemical properties
    4 Purity criteria
    4.1 Composition of commercial product
    4.2 Impurities and main by-products
    4.3 Toxic substances
    5 Test methods
    5.1 Sampling
    5.2 Analysis
    6 Labelling - Transportation - Storage
    6.1 Means of delivery
    6.2 Risk and safety labelling according to EU Directives
    6.3 Transportation regulations and labelling
    6.4 Marking
    6.5 Storage
    Annex A (informative) General information on sodium chlorite
    Annex B (normative) General rules relating to safety
    Annex C (normative) Determination of arsenic, antimony and
    selenium (atomic absorption spectrometry hydride technique)
    Bibliography

    Abstract - (Show below) - (Hide below)

    Deals with sodium chlorite used for water treatment meant for human consumption. Covers features of sodium chlorite and defines the requirements and associated test procedures for sodium chlorite. Provides information on its use in treatment of water.

    General Product Information - (Show below) - (Hide below)

    Committee CTN 77/SC 1
    Document Type Standard
    Publisher Asociacion Espanola de Normalizacion
    Status Current
    Supersedes

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

    ISO 3165:1976 Sampling of chemical products for industrial use — Safety in sampling
    EN ISO 12846:2012 Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012)
    ISO/TS 17379-2:2013 Water quality — Determination of selenium — Part 2: Method using hydride generation atomic absorption spectrometry (HG-AAS)
    ISO 12846:2012 Water quality — Determination of mercury — Method using atomic absorption spectrometry (AAS) with and without enrichment
    ISO 9174:1998 Water quality Determination of chromium Atomic absorption spectrometric methods
    ISO 8288:1986 Water quality — Determination of cobalt, nickel, copper, zinc, cadmium and lead — Flame atomic absorption spectrometric methods
    ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
    ISO 17378-2:2014 Water quality Determination of arsenic and antimony Part 2: Method using hydride generation atomic absorption spectrometry (HG-AAS)
    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
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