publication . Article . Other literature type . 2017

Plastic bag derived-microplastics as a vector for metal exposure in terrestrial invertebrates

Hodson, Mark Edward; Duffus-Hodson, Calum; Clark, Andy; Prendergast-Miller, Miranda Tendai; Thorpe, Karen Louise;
Open Access English
  • Published: 05 Apr 2017
  • Country: United Kingdom
Microplastics are widespread contaminants in terrestrial environments but comparatively little is known about interactions between microplastics and common terrestrial contaminants such as zinc (Zn). In adsorption experiments fragmented HDPE bags c. 1 mm2 in size showed similar sorption characteristics to soil. However, when present in combination with soil, concentrations of adsorbed Zn on a per mass basis were over an order of magnitude lower on microplastics . Desorption of the Zn was minimal from both microplastics and soil in synthetic soil solution (0.01 M CaCl2), but in synthetic earthworm guts desorption was higher from microplastics (40 – 60%) than soil...
free text keywords: 2300, C700, F100, F800, General Chemistry, Environmental Chemistry, Bioavailability, Environmental exposure, Lumbricus terrestris, biology.organism_classification, biology, Zinc, chemistry.chemical_element, chemistry, Earthworm, Environmental science, Mesocosm, Environmental engineering, Sorption, Microplastics
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