BS EN 13657:2002
Current
The latest, up-to-date edition.
Characterization of waste. Digestion for subsequent determination of aqua regia soluble portion of elements
Hardcopy , PDF
English
22-10-2002
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Safety remarks
5 Sample
5.1 Sample pre-treatment
5.2 Mass of test portion
6 Equipment
6.1 Closed vessel system
6.1.1 Microwave unit
6.1.2 Digestion vessels
6.2 Semi-open vessel system
6.2.1 Microwave unit
6.2.2 Digestion vessels
6.3 Apparatus for thermal heating digestion
6.3.1 Reaction vessels
6.3.2 Reflux condenser
6.3.3 Absorption vessel
6.3.4 Roughened glass beards
6.3.5 Temperature-controlled heating apparatus
6.4 General equipment
7 Reagents
8 Interferences and sources of error
8.1 General informations
8.2 Closed vessel system
8.3 Semi-open vessel system for microwave or thermal
heating digestion
9 Procedure
9.1 Blank test
9.2 Procedure for microwave assisted digestion in closed
vessels
9.3 Procedure for microwave assisted digestion in semi-open
vessels
9.3.1 Amount of samples
9.3.2 Digestion
9.3.3 Preparation of the solution for analysis
9.4 Procedure for thermal heating digestion in reflux systems
9.4.1 Amount of samples
9.4.2 Digestion
9.4.3 Preparation of the solution for analysis
10 Test report
Annex A (normative) Calibration of the power adjustment
Annex B (informative) Validation
B.1 Inter-laboratory study
B.2 Robustness study
Bibliography
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