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    Fitness Watch Bands Laden With PFHxA May Pose Well being Risks

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    작성자 Jeanett
    댓글 댓글 0건   조회Hit 7회   작성일Date 24-12-20 23:46

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    Fluoroelastomers are a subclass of polymeric per- and polyfluoroalkyl substances (PFAS), which are used to help wearable system materials maintain their appearance and construction after contact with the pores and skin, sweat, and personal care merchandise (eg, sunscreen). Researchers investigated the presence of PFAS in 22 new and used US fitness and smart watch bands from a spread of brands and value factors, of which thirteen have been advertised as containing fluoroelastomers. Total fluorine concentrations had been measured using particle-induced gamma-ray emission spectroscopy with minimize pieces of the watch bands. Solvent extraction was carried out, and focused evaluation for 20 PFAS compounds was conducted utilizing liquid chromatography-tandem mass spectrometry. A subset of six watch bands, 仙台 ジム おすすめ with the highest and lowest detectable PFAS concentrations (three each), was subjected to a direct whole oxidative precursor assay to determine the presence of PFAS precursors.

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