NEN EN ISO 17556 : 2012

1 Scope
2 Normative references
3 Terms and 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
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 polymer remaining at
                      the end of a biodegradation test
Bibliography

Defines a method for determining the ultimate aerobic biodegradability of plastic materials in soil by measuring the oxygen demand in a closed respirometer or the amount of carbon dioxide evolved.