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  • EN 1421:2012

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

    Available format(s): 

    Superseded date:  27-04-2022

    Language(s): 

    Published date:  14-11-2012

    Publisher:  Comite Europeen de Normalisation

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

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

    Abstract - (Show below) - (Hide below)

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

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

    Committee CEN/TC 164
    Development Note Supersedes PREN 1421. (12/2012)
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Superseded
    Supersedes

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

    ISO 3165:1976 Sampling of chemical products for industrial use — Safety in sampling
    EN ISO 11885:2009 Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 11885:2007)
    ISO 11969:1996 Water quality Determination of arsenic Atomic absorption spectrometric method (hydride technique)
    EN ISO 12846:2012 Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012)
    ISO 12846:2012 Water quality — Determination of mercury — Method using atomic absorption spectrometry (AAS) with and without enrichment
    ISO 9965:1993 Water quality Determination of selenium Atomic absorption spectrometric method (hydride technique)
    ISO 8288:1986 Water quality — Determination of cobalt, nickel, copper, zinc, cadmium and lead — Flame atomic absorption spectrometric methods
    ISO 3332:1975 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
    ISO 11885:2007 Water quality Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES)
    EN 1233 : 1996 WATER QUALITY - DETERMINATION OF CHROMIUM - ATOMIC ABSORPTION SPECTROMETRIC METHODS
    ISO 6332:1988 Water quality — Determination of iron — Spectrometric method using 1,10-phenanthroline
    ISO 2762:1973 Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method
    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 8213:1986 Chemical products for industrial use — Sampling techniques — Solid chemical products in the form of particles varying from powders to coarse lumps
    EN ISO 11969:1996 WATER QUALITY - DETERMINATION OF ARSENIC - ATOMIC ABSORPTION SPECTROMETRIC METHOD (HYDRIDE TECHNIQUE)
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