Abstract
Polystyrene is a widely used plastic for household purposes or in industrial packaging. However, polystyrene can be categorized as a potent carcinogenic due to its monomer unit. Polystyrene comprises several styrene units that easily leach as styrene microplastics on contact with hot or fatty material. A ultraviolet (UV) spectrophotometer method has been developed for the determination of polystyrene. Polystyrene in an aqueous solution with tetrahydrofuran was estimated at a wavelength ranging from 200 to 300 nm. The λmax of polystyrene was found to be 261.5 nm. The method was linear for the polystyrene concentration ranging from 20 to 120 µg/mL. The limit of detection was founded to be 1.65 µg/mL, and the limit of quantification was 5 µg/mL. Interday and intraday precision were performed for the developed method, and the RSD was
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