I.S. EN ISO 21654:2021
Current
The latest, up-to-date edition.
Solid recovered fuels - Determination of calorific value (ISO 21654:2021)
Hardcopy , PDF
English
26-07-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Laboratory conditions
7 Apparatus
8 Preparation of test sample
9 Calorimetric procedure
10 Calibration
11 Gross calorific value
12 Precision
13 Calculation of net calorific value at constant pressure
14 Test report
Annex A (normative) Adiabatic combustion vessel calorimeters
Annex B (normative) Isoperibol and static-jacket combustion vessel calorimeters
Annex C (normative) Automated combustion vessel calorimeters
Annex D (normative) Removed ash contributors
Annex E (informative) Checklists for the design and procedures of combustion experiments
Annex F (informative) Examples to illustrate the main calculations used in this document if an automated (adiabatic) combustion vessel calorimeter is used for determinations
Annex G (informative) List of symbols used in this document
Annex H (informative) Flow chart for a routine calorific value determination
Annex I (informative) Interlaboratory test results
Annex J (informative) Additional terms for the basis of results expression
Annex K (informative) Environmental aspects
Bibliography
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