PD CEN/TS 16660:2015
Current
The latest, up-to-date edition.
Characterization of waste. Leaching behaviour test. Determination of the reducing character and the reducing capacity
Hardcopy , PDF
English
31-05-2015
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Preparation of the test portion
6 Reagents
7 Equipment
8 Procedure
9 Calculations
10 Test report
Annex A (informative) - Validation of the provisions of the
reducing capacity
Annex B (informative) - Explanatory note
Annex C (informative) - Sampling, storage and pretreatment
Bibliography
Defines three laboratory tests to determine the reducing character and the reducing capacity of construction products, waste materials and the eluate resulting from exposure of these solids to a leachant.
| Committee |
EH/4
|
| DevelopmentNote |
Supersedes 13/30286658 DC. (05/2015)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This Technical Specification specifies three laboratory tests to determine the reducing character and the reducing capacity of construction products, waste materials and the eluate resulting from exposure of these solids to a leachant. Reducing species released from the product are titrated to quantify the reducing capacity.
For a specification of the materials with which experience has been acquired with the execution of the tests according to this Technical Specification see Annex A and [16].
NOTE Materials with reducing properties can in practice under both oxidizing and anoxic (isolated) conditions show completely different leaching behaviour than obtained with the leaching tests specified in EN 16457. This may seriously hamper the interpretation of the leaching tests, if this condition is not taken into consideration.
| Standards | Relationship |
| CEN/TS 16660:2015 | Identical |
| EN 13965-2:2010 | Characterization of waste - Terminology - Part 2: Management related terms and definitions |
| EN 12457-2:2002 | Characterisation of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - Part 2: One stage batch test at a liquid to solid ratio of 10 l/kg for materials with particle size below 4 mm (without or with size reduction) |
| EN 14997:2015 | Characterization of waste - Leaching behaviour test - Influence of pH on leaching with continuous pH control |
| EN ISO 10523:2012 | Water quality - Determination of pH (ISO 10523:2008) |
| EN 12457-4:2002 | Characterisation of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - Part 4: One stage batch test at a liquid to solid ratio of 10 l/kg for materials with particle size below 10 mm (without or with size reduction) |
| EN 16457:2014 | Characterization of waste - Framework for the preparation and application of a testing programme - Objectives, planning and report |
| EN 14346:2006 | Characterization of waste - Calculation of dry matter by determination of dry residue or water content |
| CEN/TS 15864:2015 | Characterization of waste - Leaching behaviour test for basic characterization - Dynamic monolithic leaching test with continuous leachant renewal under conditions relevant for specified scenario(s) |
| EN 12457-1:2002 | Characterisation of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - Part 1: One stage batch test at a liquid to solid ratio of 2 l/kg for materials with high solid content and with particle size below 4 mm (without or with size reduction) |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| EN 12920:2006+A1:2008 | Characterization of waste - Methodology for the determination of the leaching behaviour of waste under specified conditions |
| EN 15002:2015 | Characterization of waste - Preparation of test portions from the laboratory sample |
| NEN 7348 : 2006 | LEACHING CHARACTERISTICS - DETERMINATION OF THE REDUCING CHARACTER AND THE REDUCING CAPACITY - SOLID EARTHY AND STONEY MATERIALS |
| EN 12457-3:2002 | Characterisation of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - Part 3: Two stage batch test at a liquid to solid ratio of 2 l/kg and 8 l/kg for materials with high solid content and with particle size below 4 mm (without or with size reduction) |
| EN 15863:2015 | Characterization of waste - Leaching behaviour test for basic characterization - Dynamic monolithic leaching test with periodic leachant renewal, under fixed conditions |
| CEN/TS 14405 : 2004 | CHARACTERIZATION OF WASTE - LEACHING BEHAVIOUR TESTS - UP-FLOW PERCOLATION TEST (UNDER SPECIFIED CONDITIONS) |
| ISO 10523:2008 | Water quality — Determination of pH |
| EN 14899:2005 | Characterization of waste - Sampling of waste materials - Framework for the preparation and application of a Sampling Plan |
| EN 14429:2015 | Characterization of waste - Leaching behaviour test - Influence of pH on leaching with initial acid/base addition |
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