Antimony release from polyester textiles by artificial sweat solutions: A call for a standardized procedure.

Regulatory Toxicology and Pharmacology : RTP
Marc BiverMontserrat Filella

Abstract

Polyester fibres are usually contaminated by antimony because of its use as a catalyst in the production of polyethylene terephthalate and as a flame retardant synergist in a variety of new and recycled polymers. The present study determined the release of antimony (at total concentrations ranging from about 125 to 470 μg g-1) from polyester textile samples designed to be in contact with human skin using standard artificial sweat solutions (ISO 105-E04 and EN 1811). The study also examined the role of different experimental parameters on the release of the metalloid. Overall, and using the default parameters, between about 0.05 and 2% of total antimony (or 0.1-1 μg g-1) was mobilized into artificial sweat. A reduction in time (from 24 to 12 h) and temperature (from 37 to 20 or 4 °C) and an increase in pH (from 5.5 to 7) resulted in a decline in antimony mobilization from textiles, while altering textile mass to solution volume and the presence of lactate had little impact on the results. Removal of a filtration step increased antimony mobilization but this was attributed to artefacts associated with release from microfibres during extract storage and analysis. In general, antimony mobilization was sufficiently repeatable using ...Continue Reading

References

Jul 26, 2006·Skin Pharmacology and Physiology·M-H Schmid-Wendtner, H C Korting
Jul 6, 2010·Toxicology in Vitro : an International Journal Published in Association with BIBRA·Christopher J HarveyAleksandr B Stefaniak
Oct 30, 2016·Regulatory Toxicology and Pharmacology : RTP·Klara MidanderCarola Lidén
Apr 30, 2019·Environmental Science & Technology·Dusan LicinaWilliam W Nazaroff
Aug 3, 2020·Chemosphere·Montserrat Filella

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Citations

May 25, 2021·Environment International·Andrew Turner, Montserrat Filella

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