BS ISO 23977-1:2020
$142.49
Plastics. Determination of the aerobic biodegradation of plastic materials exposed to seawater – Method by analysis of evolved carbon dioxide
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 26 |
This document specifies a laboratory test method for determining the degree and rate of the aerobic biodegradation level of plastic materials. Biodegradation is determined by measuring the CO2 evolved from plastic materials when exposed to seawater sampled from coastal areas under laboratory conditions.
The conditions described in this document might not always correspond to the optimum conditions for the maximum degree of biodegradation, however this test method is designed to give an indication of the potential biodegradability of plastic materials.
This document addresses plastic materials but can also be used for other materials.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 6 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope 2 Normative references 3 Terms and definitions |
| 11 | 4 Principle 5 Test environment 6 Reagents |
| 12 | 7 Apparatus |
| 13 | 8 Procedure 8.1 Test material 8.2 Reference materials |
| 14 | 8.3 Test set up 8.4 Pre-conditioning phase 8.5 Start of the test |
| 15 | 8.6 Carbon dioxide measurement 8.7 End of the test |
| 16 | 9 Calculation and expression of results 9.1 Calculation 9.1.1 Amount of CO2 produced |
| 18 | 9.1.2 Percentage of biodegradation |
| 19 | 9.2 Visual inspection 9.3 Expression and interpretation of results 10 Validity of results |
| 20 | 11 Test report |
| 21 | Annex A (informative) Example of a respirometric system |
| 23 | Bibliography |
