NF EN ISO 14855 : 2005

Foreword
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Test environment
6 Reagents
7 Apparatus
8 Procedure
   8.1 Preparation of the inoculum
   8.2 Preparation of test material and reference material
   8.3 Start-up of the test
   8.4 Incubation period
   8.5 Termination of the test
9 Calculation and expression of results
   9.1 Calculation of the theoretical amount of carbon dioxide
   9.2 Calculation of the percentage biodegradation
   9.3 Calculation of loss in mass
   9.4 Expression of results
10 Validity of results
11 Test report
Annex A (informative) Principle of test system
Annex B (informative) Examples of graphical representation
                      carbon dioxide evolution and
                      biodegradation curves
Annex C (informative) Example of mass-loss determination
Annex D (informative) Round-robin testing
Annex E (informative) Examples of forms

Specifies a method for the determination of the ultimate aerobic biodegradability of plastics, based on organic compounds, under controlled composting conditions by measurement of the amount of carbon dioxide evolved and the degree of disintegration of the plastic at the end of the test.