We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
  • I.S. EN 12120:2012

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    Add to Watchlist
    This Standard has been added successfully to your Watchlist.
    Please visit My Watchlist to see all standards that you are watching.
    Please log in or to add this standard to your Watchlist.
    We could not add this standard to your Watchlist.
    Please retry or contact support for assistance.
    You need to be logged in to add this standard to your Watchlist.
    Please log in now or create an account to add.
    You already added this Product in the Watchlist.

    CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROGEN SULFITE

    Available format(s):  Hardcopy, PDF

    Superseded date:  12-05-2022

    Language(s):  English

    Published date:  01-01-2012

    Publisher:  National Standards Authority of Ireland

    Add to Watchlist

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Add To Cart

    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 sodium hydrogen sulfite
    Bibliography

    Abstract - (Show below) - (Hide below)

    Pertains to sodium hydrogen sulfite used for treatment of water intended for human consumption.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By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
    ISO 6353-1:1982 Reagents for chemical analysis Part 1: General test methods
    ISO 418:2001 Photography Processing chemicals Specifications for anhydrous sodium sulfite
    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)
    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 5993:1979 Sodium hydroxide for industrial use Determination of mercury content Flameless atomic absorption spectrometric method
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective