BS EN ISO 17556:2004:2005 Edition
$142.49
Plastics. Determination of the ultimate aerobic biodegradability in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved
| Published By | Publication Date | Number of Pages |
| BSI | 2005 | 28 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | TitlePage – Plastics�— Determination of the ultimate aerobic biodegradability in soil by measurin… |
| 7 | TableofContent – Contents Page |
| 8 | Foreword – Foreword |
| 9 | Introduction – Introduction |
| 11 | Scope – 1��� Scope NormativeReference – 2��� Normative references |
| 13 | Clause1 – 4��� Principle Clause1 – 5��� Test environment Clause1 – 6��� Materials UntitledSubclause2 – 6.1��� Distilled water UntitledSubclause2 – 6.2��� Carbon dioxide absorber |
| 14 | Clause1 – 7��� Apparatus UntitledSubclause2 – 7.1��� Closed respirometer UntitledSubclause2 – 7.2��� Apparatus for determining the amount of carbon dioxide evolved UntitledSubclause3 – 7.2.1��� Test flasks UntitledSubclause3 – 7.2.2��� CO UntitledSubclause3 – 7.2.3��� Analytical instrument for determining carbon dioxide UntitledSubclause2 – 7.3��� Analytical balance UntitledSubclause2 – 7.4��� pH-meter Clause1 – 8��� Procedure Subclause2 – 8.1��� Preparation of test material |
| 15 | Subclause2 – 8.2��� Preparation of reference material Subclause2 – 8.3��� Preparation of the test soil Subclause3 – 8.3.1��� Collection and sieving of soil Subclause3 – 8.3.2��� Measurement of soil characteristics Subclause3 – 8.3.3��� Adjustment of the water content and the pH of the soil |
| 16 | Subclause3 – 8.3.4��� Handling and storage of the soil Subclause2 – 8.4��� Start-up and execution of the test |
| 17 | Clause1 – 9��� Calculation and expression of results Subclause2 – 9.1��� Calculation Subclause3 – 9.1.1��� Percentage biodegradation from oxygen consumption values |
| 18 | Subclause3 – 9.1.2��� Percentage biodegradation from carbon dioxide evolved Subclause4 – 9.1.2.1��� Theoretical amount of carbon dioxide evolved by test material Subclause4 – 9.1.2.2��� Percentage biodegradation Subclause2 – 9.2��� Expression and interpretation of results |
| 19 | Clause1 – 10��� Validity of results Clause1 – 11��� Test report |
| 20 | AnnexInformative – Principle of a manometric respirometer |
| 21 | AnnexInformative – Example of a system for measuring the amount of carbon dioxide evolved |
| 22 | AnnexInformative – Examples of methods for the determination of evolved carbon dioxide Clause1 – C.1��� CO Clause1 – C.2��� Titrimetric method using a barium hydroxide solution |
| 24 | AnnexInformative – Theoretical oxygen demand (ThOD) Clause1 – D.1��� Calculation of the ThOD Clause1 – D.2��� Example: Poly(b-hydroxybutyric acid) (PHB) Clause1 – D.3��� Example: Blend of polyethylene/starch/glycerol |
| 25 | AnnexInformative – Example of a determination of the amount and the molecular mass of water-insol… |
| 26 | Bibliography – Bibliography |
