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Validation of a Method for Extracting Microplastics from Complex, Organic-Rich, Environmental Matrices

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F18%3A00106143" target="_blank" >RIV/00216224:14310/18:00106143 - isvavai.cz</a>

  • Result on the web

    <a href="https://pubs.acs.org/doi/10.1021/acs.est.8b01517" target="_blank" >https://pubs.acs.org/doi/10.1021/acs.est.8b01517</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/acs.est.8b01517" target="_blank" >10.1021/acs.est.8b01517</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Validation of a Method for Extracting Microplastics from Complex, Organic-Rich, Environmental Matrices

  • Original language description

    Complex and organic-rich solid substrates such as sludge and soil have been shown to be contaminated by microplastics; however, methods for extracting plastic particles have not yet been systemically tested or standardized. This study investigated four main protocols for the removal of organic material during analysis of microplastics from complex solid matrices: oxidation using H2O2, Fenton's reagent, and alkaline digestion with NaOH and KOH. Eight common polymer types were used to assess the influence of reagent exposure on particle integrity. Organic matter removal efficiencies were established for test sludge and soil samples. Fenton's reagent was identified as the optimum protocol. All other methods showed signs of particle degradation or resulted in an insufficient reduction in organic matter content. A further validation procedure revealed high microplastic extraction efficiencies for particles with different morphologies. This confirmed the suitability of Fenton's reagent for use in conjunction with density separation for extracting microplastics. This approach affords greater comparability with existing studies that utilize a density-based technique. Recommendations for further method optimization were also identified to improve the recovery of microplastic from complex, organic-rich environmental samples.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10511 - Environmental sciences (social aspects to be 5.7)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    ENVIRONMENTAL SCIENCE &amp; TECHNOLOGY

  • ISSN

    0013-936X

  • e-ISSN

  • Volume of the periodical

    52

  • Issue of the periodical within the volume

    13

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    9

  • Pages from-to

    7409-7417

  • UT code for WoS article

    000438007600026

  • EID of the result in the Scopus database

    2-s2.0-85048471716