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BS EN ISO 23977-1:2021:2022 Edition

BS EN ISO 23977-1:2021:2022 Edition

$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 2022 26
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
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

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BS EN ISO 23977-1:2021
$142.49