Suhrhoff, Tim Jesper and Scholz-Böttcher, Barbara M. (2016) Qualitative impact of salinity, UV radiation and turbulence on leaching of organic plastic additives from four common plastics: a lab experiment. Marine pollution bulletin, 102 (1). pp. 84-94. ISSN 0025-326X - 1879-3363

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Four common consumer plastic samples (polyethylene, polystyrene, polyethylene terephthalate, polyvinylchloride) were studied to investigate the impact of physical parameters such as turbulence, salinity and UV irradiance on leaching behavior of selected plastic components. Polymers were exposed to two different salinities (i.e. 0 and 35 g/kg), UV radiation and turbulence. Additives (e.g. bisphenol A, phthalates, citrates, and Irgafos® 168 phosphate) and oligomers were detected in initial plastics and aqueous extracts. Identification and quantification was performed by GC–FID/MS. Bisphenol A and citrate based additives are leached easier compared to phthalates. The print highly contributed to the chemical burden of the analyzed polyethylene bag. The study underlines a positive relationship between turbulence and magnitude of leaching. Salinity had a minor impact that differs for each analyte. Global annual release of additives from assessed plastics into marine environments is estimated to be between 35 and 917 tons, of whichmost are derived fromplasticized polyvinylchloride.

Item Type: Article
Uncontrolled Keywords: Consumer plastic; Leaching; Saltwater; Turbulence; UV; Additives
Subjects: Science and mathematics > Chemistry
Science and mathematics > Earth sciences and geology
Divisions: Faculty of Mathematics and Science > Institute for Chemistry and Biology of the Marine Environment (ICBM)
Date Deposited: 11 Feb 2022 13:19
Last Modified: 11 Feb 2022 13:19
URN: urn:nbn:de:gbv:715-oops-53693
DOI: 10.1016/j.marpolbul.2015.11.054

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