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  • BSI
    BS ISO 22404:2019 Plastics. Determination of the aerobic biodegradation of non-floating materials exposed to marine sediment. Method by analysis of evolved carbon dioxide
    Edition: 2019
    $316.70
    / user per year

Description of BS ISO 22404:2019 2019

This document specifies a laboratory test method to determine the degree and rate of aerobic biodegradation level of plastic materials. This test method can also be applied to other materials.

Biodegradation is determined by measuring the CO2 evolved by the plastic material when exposed to marine sediments sampled from a sandy tidal zone and kept wet with salt-water under laboratory conditions.

This test method is a simulation under laboratory conditions of the habitat found in sandy tidal zone that, in marine science, is called eulittoral zone.

The conditions described in this document might not always correspond to the optimum conditions for the maximum degree of biodegradation to occur.

Deviations from the test conditions described in this document are justified in the test report.



Standard NumberBS ISO 22404:2019
TitlePlastics. Determination of the aerobic biodegradation of non-floating materials exposed to marine sediment. Method by analysis of evolved carbon dioxide
StatusWithdrawn
Publication Date2019-11-08
Withdrawn Date2022-04-29
Identical National Standard OfISO 22404
DescriptorsTest specimens, Specimen preparation, Dissolved gases, Microbiological analysis, Polymers, Volumetric analysis, Determination of content, Carbon dioxide, Plastics, Aerobic bacteria, Gas analysis, Chemical analysis and testing, Testing conditions, Degradation, Additives, Carbon, Equations, Biodegradability, Biological analysis and testing, Bibliography, Test equipment
ICS83.080.01 Plastics in general
CommitteePRI/89
ISBN978 0 580 98462 4
PublisherBSI
Pages20

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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