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Algorithm Identifies Plastic Particles in Bottled Water


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A woman drinking water from a plastic bottle.

A typical one-liter (33-ounce) bottle of water contains some 240,000 plastic fragments on average, according to a new study.

Credit: Krisztian Bocsi/Bloomberg

Columbia University researchers developed a new microscopy technique and algorithm to analyze the amount of nanoplastics in one-liter bottles of water.

This was the first study to evaluate bottled water for plastic particles smaller than 1 micrometer in length.

An analysis of 25 one-liter bottles from three popular U.S. brands revealed an average of 240,000 plastic fragments per one-liter bottle.

Nanoplastics accounted for 90% of the plastic particles.

From Bloomberg
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Abstracts Copyright © 2024 SmithBucklin, Washington, DC, USA


 

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