EN 14944-3:2007
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Influence of cementitious products on water intended for human consumption - Test methods - Part 3: Migration of substances from factory-made cementititous products
30-06-2008
05-12-2007
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
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