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BS EN ISO 19679:2017

BS EN ISO 19679:2017

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Plastics. Determination of aerobic biodegradation of non-floating plastic materials in a seawater/sediment interface. Method by analysis of evolved carbon dioxide

Available format(s)

Hardcopy , PDF

Superseded date

07-09-2020

Language(s)

English

Published date

02-23-2018

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test environment
6 Reagents
7 Apparatus
8 Procedure
9 Calculation and expression of results
10 Validity of results
11 Test report
Annex A (informative) - Example of respirometric
        system based on CO[2] measurement
Bibliography

Defines a test method to determine the degree and rate of aerobic biodegradation of plastic materials when settled on marine sandy sediment at the interface between seawater and the seafloor, by measuring the evolved carbon dioxide.

This International Standard specifies a test method to determine the degree and rate of aerobic biodegradation of plastic materials when settled on marine sandy sediment at the interface between seawater and the seafloor, by measuring the evolved carbon dioxide.

This test method is a simulation under laboratory conditions of the habitat found in different seawater/sediment-areas in the sea, e.g. in a benthic zone where sunlight reaches the ocean floor (photic zone) that, in marine science, is called sublittoral zone

The determination of biodegradation of plastic materials buried in marine sediment is outside the scope of this International Standard.

Measurement of aerobic biodegradation can also be obtained by monitoring the oxygen consumption, as described in ISO 18830.

The conditions described in this International Standard may not always correspond to the optimum conditions for the maximum degree of biodegradation to occur.

Committee
PRI/21
DevelopmentNote
2017 Edition incorporates corrigendum to BS ISO 19679. Renumbers and supersedes BS ISO 19679. Supersedes 15/30320081 DC. (02/2018)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO 19679:2016 Identical
EN ISO 19679:2017 Identical

ISO 10210:2012 Plastics — Methods for the preparation of samples for biodegradation testing of plastic materials
ISO 18830:2016 Plastics Determination of aerobic biodegradation of non-floating plastic materials in a seawater/sandy sediment interface Method by measuring the oxygen demand in closed respirometer
ISO 8245:1999 Water quality Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
ISO 14852:1999 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium Method by analysis of evolved carbon dioxide

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Hardcopy - English
PDF - English
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