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  • UNI EN 1421 : 2013

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - AMMONIUM CHLORIDE

    Available format(s): 

    Superseded date:  08-06-2022

    Language(s): 

    Published date:  31-12-2012

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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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)

    Pertains to ammonium chloride used for treatment of water intended for human consumption.

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

    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Superseded
    Superseded By
    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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