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BS ISO 23977-1:2020 Plastics. Determination of the aerobic biodegradation of plastic materials exposed to seawater - Method by analysis of evolved carbon dioxide >
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BS ISO 23977-1:2020 Plastics. Determination of the aerobic biodegradation of plastic materials exposed to seawater - Method by analysis of evolved carbon dioxide, 2020
- undefined
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Test environment
- 6 Reagents
- 7 Apparatus
- 8 Procedure
- 8.1 Test material
- 8.2 Reference materials
- 8.3 Test set up
- 8.4 Pre-conditioning phase
- 8.5 Start of the test
- 8.6 Carbon dioxide measurement
- 8.7 End of the test
- 9 Calculation and expression of results
- 9.1 Calculation
- 9.1.1 Amount of CO2 produced
- 9.1.2 Percentage of biodegradation
- 9.2 Visual inspection
- 9.3 Expression and interpretation of results
- 10 Validity of results
- 11 Test report
- Annex A (informative) Example of a respirometric system
- Bibliography [Go to Page]
