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Prevalence and Quantification of Microplastics in Bottled Water

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Scientists tested bottled water and found tiny plastic particles—known as microplastics—in every sample, with counts ranging widely from 22 to 246 particles per liter. Most of these particles were identified as polyethylene, a common plastic used in packaging. While the health effects of consuming microplastics aren't fully understood yet, this study adds to growing evidence that bottled water may be a significant source of plastic exposure, highlighting the need for more research into what this means for our health.

Polymers
Study Type Environmental

Plastics are commonplace contaminants that we utilize on a daily basis. Microplastics (small particles less than five millimeters in size) are being found in water systems and could pose a threat to human health via routes such as bottled water. This study aims to identify and quantify microplastics in drinking water that is sold in bottles. An Olympus BX51 microscope was used to check the microplastic after separation on filter and staining with methylene blue and total number counted by using ImageJ software. Microplastic separated and stained were found in the range between 22-246/L. the particles stained on filter paper were further analyzed by using ATR-FTIR spectroscopy to check the nature of particles and compared it against the standard spectra of most commonly found popular plastics like polyethylene (PE) and polypropylene (PP). polyethylene (PE) was found to be mostly occurring micro contaminates in water system. The findings imply that bottled water contains microplastics, which may pose risks to human health. This necessitates further investigation into the sources and effects of microplastic contamination.

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