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chemical analysis

February 24, 2025

Two studies compare (toxic) chemicals found in recycled versus virgin plastics; recycled plastics have elevated levels of chemicals of concern, e.g., of per- and polyfluoroalkyl substances (PFAS), and higher hazard index; decontamination measures during recycling processes are key to reducing chemical toxicity; scientists provide five policy strategies to tackle hazardous chemicals in recycled plastics
Reading time: 4 minutes

January 16, 2025

Consumer project Plasticlist analyzes hundreds of food and beverage samples from the California Bay Area for 18 plastic chemicals; finds plastic chemicals in 86% of samples; highly processed foods contain more plastic chemicals; questions whether regulatory limits adequately protect human health; calls for further research
Reading time: 3 minutes

December 19, 2024

Study assesses migration of polycyclic aromatic hydrocarbons (PAHs) from polypropylene (PP), polyethylene (PE), polycarbonate (PC) and polyethylene terephthalate glycol (PETG) into olive oil; migration depends on plastic type, PAH type and temperature - being highest for PE, alkylated compared to non-alkylated PAHs, and at 125 °C compared to 20 °C, respectively
Reading time: 2 minutes

December 11, 2024

51 plastic/rubber products and four microplastic types subjected to different extraction and leaching conditions, respectively; chemical composition changes with extraction method; leachate composition depends on salinity and temperature influence; extracts and leachates of similar chemical complexity
Reading time: 3 minutes
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