11/30217470 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN ISO 17556 - DETERMINATION OF THE ULTIMATE AEROBIC BIODEGRADABILITY OF PLASTICS MATERIALS IN SOIL BY MEASURING THE OXYGEN DEMAND IN A RESPIROMETER OR THE AMOUNT OF CARBON DIOXIDE EVOLVED
Hardcopy , PDF
31-08-2012
English
Foreword
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Test environment
6 Materials
7 Apparatus
8 Procedure
9 Calculation and expression of results
10 Validity of results
11 Test report
Annex A (informative) - Principle of a manometric
respirometer (example)
Annex B (informative) - Example of a system for
measuring the amount of carbon dioxide
evolved
Annex C (informative) - Examples of methods for
the determination of evolved carbon dioxide
Annex D (informative) - Theoretical oxygen demand
(ThOD)
Annex E (informative) - Example of a determination
of the amount and the molecular mass of
water-insoluble polymers remaining at the
end of a biodegradation test
Annex F (informative) - Examples of long term tests
Annex G (informative) - Round-robin testing
Bibliography
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