UNE-EN 14718:2015
Current
The latest, up-to-date edition.
Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test method
Hardcopy , PDF
Spanish, Castilian, English
04-03-2015
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Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Principle
5 Reagents
5.1 Sodium hypochlorite solution
5.2 Test water
5.3 Rinsing water
5.4 Cleaning liquids for apparatus
6 Apparatus for Chlorine Demand Assessment
7 Procedural Constraints
8 Samples of Products and Test Pieces
8.1 Factory made products
8.2 Site applied products
8.3 Surface-area-to-volume ratio (S/V)
9 Preparation of Test Water and Apparatus
9.1 Test water
9.2 Preparation of apparatus
9.3 Cleaning of the glassware
9.4 Cleaning of stainless steel
10 Test Procedure
10.1 General
10.2 Flushing
10.3 Stagnation
10.4 Pre-washing
10.5 Determination of chlorine demand
10.6 Determination of free chlorine
11 Expression of Results
11.1 Description of the calculation
11.2 Validation of the test results
12 Test Report
a) Information on the product
b) Information on the procedure
c) Test results
Annex A (normative) Procedure for establishing the
suitability of apparatus and test water
Annex B (informative) Arrangement for flushing large
diameters pipes
Describes a method for determining the chlorine demand of organic materials intended for use in contact with drinking water. It is applicable to factory made and site applied products used for the distribution, transport and storage of drinking water.
| Committee |
CTN 77/SC 1
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
Asociacion Espanola de Normalizacion
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN EN 14718:2015-03 | Identical |
| NBN EN 14718 : 2015 | Identical |
| NEN EN 14718 : 2014 | Identical |
| NS EN 14718 : 2014 | Identical |
| I.S. EN 14718:2014 | Identical |
| SN EN 14718 : 2014 | Identical |
| UNI EN 14718 : 2015 | Identical |
| BS EN 14718:2014 | Identical |
| EN 14718:2014 | Identical |
| NF EN 14718 : 2015 | Identical |
| 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 |
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