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PD CEN/TS 16660:2015

Current
Current

The latest, up-to-date edition.

Characterization of waste. Leaching behaviour test. Determination of the reducing character and the reducing capacity
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-05-2015

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.

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.

Committee
EH/4
DevelopmentNote
Supersedes 13/30286658 DC. (05/2015)
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Current
Supersedes

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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