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  • BS EN 14944-3:2007 (published 2008-01)

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    Influence of cementitious products on water intended for human consumption. Test methods Migration of substances from factory-made cementitious products

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    Published date:  31-01-2008

    Publisher:  British Standards Institution

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and Definitions
    4 Principle
    5 Reagents
       5.1 General requirements
       5.2 Disinfection reagents
            5.2.1 Sodium hypochlorite solution
            5.2.2 Disinfection treatment water
       5.3 Waters to be used for testing
            5.3.1 Preconditioning water
            5.3.2 Test water
            5.3.3 Test water without chlorine content (chlorine-free)
            5.3.4 Test water with chlorine content (chlorinated)
       5.4 Cleaning liquids for apparatus
    6 Apparatus
       6.1 General
       6.2 Apparatus and materials for test piece preparation
            6.2.1 Stainless steel plates and cylinders
            6.2.2 Glass cylinders
            6.2.3 Moulds for forming test pieces
       6.3 Apparatus and materials for preconditioning and migration
            procedure
            6.3.1 Vessels, containers, covers, connectors and stoppers
    7 Samples and test pieces
       7.1 Sampling, transport and storage of samples
       7.2 Preparation of test pieces
            7.2.1 General
            7.2.2 Factory made pipes, fittings and storage systems
       7.3 Surface area-to-volume ratio (S/V) for use in the test
            procedure
            7.3.1 General
            7.3.2 Pipes and fittings
            7.3.3 Storage systems (cement mortar, cement mortar lined
                  or concrete)
    8 Pre-treatment of samples (curing, preconditioning and disinfection)
       8.1 General
       8.2 Curing
       8.3 Preconditioning
            8.3.1 General
            8.3.2 Preconditioning without disinfection treatment
            8.3.3 Preconditioning with disinfection treatment
    9 Test procedure
       9.1 General
       9.2 Preparation of migration water for analysis of substances
            9.2.1 Migration procedure
            9.2.2 Second and third migration periods
            9.2.3 Additional migration periods
       9.3 Control samples (blank test)
    10 Analysis
    11 Calculation of test results
       11.1 Calculation of the concentration of the substances in the
            migration water
       11.2 Calculation of the migration rate of the measured substances
       11.3 Calculation of the mean migration rate
    12 Test report
       12.1 General information
       12.2 Information on the product
       12.3 Information on the test procedure
       12.4 Test results
    Annex A (normative) Additional procedures for testing factory made
            pipes (cement mortar lined and concrete)
          A.1 Sampling, test piece preparation and storage
              A.1.1 Sampling
              A.1.2 Test piece preparation and storage
          A.2 Surface area to volume (S/V) ratio
          A.3 Pretreatment of test pieces (preconditioning and
              disinfection)
          A.4 Test procedure
              A.4.1 Migration procedure at 23 degree C
              A.4.2 Migration procedure at elevated temperature
          A.5 Expression of results
          A.6 Reporting
    Annex B (normative) Additional procedures for testing factory made
            fittings (cement mortar lined and concrete)
          B.1 Sampling, test piece preparation and storage
              B.1.1 Sampling of Factory made fittings
              B.1.2 Test piece preparation and storage
          B.2 Surface area to volume (S/V) ratio
          B.3 Pre-treatment of test pieces (preconditioning and
              disinfection)
          B.4 Test procedure
              B.4.1 Migration procedure at 23 degree C
              B.4.2 Migration procedure at elevated temperature
          B.5 Expression of results
          B.6 Reporting
    Annex C (normative) Additional procedures for testing factory made
            storage systems (cement mortar, cement mortar lined and
            concrete)
          C.1 Sampling, test piece preparation and storage
              C.1.1 Sampling
              C.1.2 Test piece preparation and storage
          C.2 Surface area to volume (S/V) ratio
          C.3 Pretreatment of test pieces (preconditioning and
              disinfection)
          C.4 Test procedure
              C.4.1 Migration procedure at 23 degree C
              C.4.2 Migration procedure at elevated temperature
          C.5 Expression of results
          C.6 Reporting
    Annex D (informative) Examples of typical test pieces and test
            conditions as a function of S/V ratio
          D.1 General
          D.2 Pipes and fittings
          D.3 Test pieces to which a cylinder of stainless steel or
              glass is to be attached
          D.4 Square test plates coated with mortar
          D.5 Moulded test pieces where all faces are exposed to test
              water
    Annex E (informative) Test arrangements for testing factory made
            cementitious products
    Annex F (normative) Additional procedures for testing factory made
            cementitious products at elevated temperature
          F.1 General
          F.2 Test procedure at elevated temperature
              F.2.1 General
              F.2.2 Preparation of migration water for the assessment
                    of migration of substances
          F.3 Control samples (blank test)
          F.4 Expression of results
          F.5 Reporting
    Annex G (informative) Discrimination between porous and non-porous
            coatings on factory made products
          G.1 Principle
          G.2 Apparatus
              G.2.1 stainless steel plates
              G.2.2 cylinders
              G.2.3 pH meter
          G.3 Materials and reagents
              G.3.1 sealing compound/sealant
              G.3.2 demineralized water
          G.4 Test procedure
              G.4.1 General
              G.4.2 Laboratory blank
              G.4.3 Coated product
          G.5 Determination of pH
          G.6 Expression of results
          G.7 Classification criteria
    Annex H (informative) Schematic description of the test procedure
          H.1 Preconditioning
          H.2 Production of migration water at 23 degree C
          H.3 Typical Schedule
              H.3.1 Preconditioning
              H.3.2 Production of migration waters
    Annex I (informative) Procedural tests using standard additions
            (positive controls)
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines a method to determine the migration of substances from factory made cementitious products into test waters after contact with the products.

    Scope - (Show below) - (Hide below)

    This European Standard specifies a method to determine the migration of substances from factory made cementitious products into test waters after contact with the products. This European Standard is applicable to factory made cementitious products, e.g. cement mortar linings to metallic pipes, tanks, concrete pipes etc., intended to be used for the transport and storage of water intended for human consumption, including raw water used for the production of drinking water.

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

    Committee EH/6
    Development Note Supersedes 05/30083256 DC. (01/2008)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    EN ISO 7393-1 : 2000 WATER QUALITY - DETERMINATION OF FREE CHLORINE AND TOTAL CHLORINE - PART 1: TITRIMETRIC METHOD USING N,N-DIETHYL-1,4-PHENYLENEDIAMINE
    ISO 16132:2016 Ductile iron pipes and fittings — Seal coats for cement mortar linings
    ISO/TR 13530:1997 Water quality Guide to analytical quality control for water analysis
    EN 1015-11 : 1999 AMD 1 2006 METHODS OF TEST FOR MORTAR FOR MASONRY - PART 11: DETERMINATION OF FLEXURAL AND COMPRESSIVE STRENGTH OF HARDENED MORTAR
    EN 1015-2:1998/A1:2006 METHODS OF TEST FOR MORTAR FOR MASONRY - PART 2: BULK SAMPLING OF MORTARS AND PREPARATION OF TEST MORTARS
    EN 196-1:2016 (edition 2) Methods of testing cement - Part 1: Determination of strength
    ENV ISO 13530 : DRAFT 1998 WATER QUALITY - GUIDE TO ANALYTICAL QUALITY CONTROL FOR WATER ANALYSIS
    EN 12390-1:2012 TESTING HARDENED CONCRETE - PART 1: SHAPE, DIMENSIONS AND OTHER REQUIREMENTS FOR SPECIMENS AND MOULDS
    EN 12390-2 : 2009 TESTING HARDENED CONCRETE - PART 2: MAKING AND CURING SPECIMENS FOR STRENGTH TESTS
    ISO 3696:1987 Water for analytical laboratory use Specification and test methods
    EN 12350-1:2009 TESTING FRESH CONCRETE - PART 1: SAMPLING
    EN ISO 3696 : 1995 WATER FOR ANALYTICAL LABORATORY USE - SPECIFICATION AND TEST METHODS (ISO 3696:1987)
    ISO 7393-2:1985 Water quality Determination of free chlorine and total chlorine Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes
    ISO 10523:2008 Water quality — Determination of pH
    EN 10088-1:2014 STAINLESS STEELS - PART 1: LIST OF STAINLESS STEELS
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