Plastics piping systems for the transport of water intended for human consumption. Migration assessment. Determination of migration values of plastics pipes and fittings and their joints (ISO 8795:2001)
Tuote ladattavissa hetiToimitusaika on noin 1 - 2 työpäivääToimitusaika on 3 - 5 työpäivää.
This standard specifies a method for the determination of the migration of constituents from the internal surface of plastic pipes, fittings and joints. Organoleptic and microbiological assessments are not included. This standard is applicable to all plastics pipes, fittings and joints to be used for the transport of water intended for human consumption and raw water used for the manufacturing of water intended for human consumption.
Tämän julkaisun valmistelusta Suomessa vastaa Muoviteollisuus ry, puh. 09 172 841 (vaihde).
Sisällysluettelo
Foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
5.1 Test liquids
5.2 General requirements for the liquids
5.3 Selection of test liquids to perform the test
6 Test temperatures
7 Apparatus
8 Test pieces
8.1 General
8.2 Preparation
9 Procedure
9.1 General
9.2 Stagnation
9.3 Prewashing
9.4 Migration test
9.5 Analysis of constituents
10 Expression of results
11 Test report
Annex A Test liquids (normative)
Annex B Preparation of test pieces for testing pipes, fittings or joints with nominal size greater than 80 (normative)
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
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