A simple screening test for studying the biodegradability of insoluble polymers

Merja Itävaara (Corresponding Author), Minna Vikman

    Research output: Contribution to journalArticleScientificpeer-review

    22 Citations (Scopus)

    Abstract

    The head-space test based on CO2 measurement was improved as a test for determining of the biodegradability of solid polymers, such as biodegradable plastics. The test can be performed either as closed or aerated cultures depending on the size of the sample and its oxygen demand. The distribution of CO2 between the gas and liquid phases was also determined during the cultivations. The amount of microbial carbon was determined indirectly by determining the carbon/protein ratio and then using the intracellular protein as an indirect measure of the biomass. The amount of biomass was found to be so low that its determination did not significantly effect the final biodegradation result.
    Original languageEnglish
    Pages (from-to)4359-4373
    JournalChemosphere
    Volume31
    Issue number11-12
    DOIs
    Publication statusPublished - 1995
    MoE publication typeA1 Journal article-refereed

    Keywords

    • biodegradation

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