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LIBS Technique Analyzes Contaminants in Levitated Water Drops

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A new approach to detecting metal contaminants in water involves the use of laser-induced breakdown spectroscopy (LIBS) to analyze the presence of heavy metals, such as mercury, in water drops that are levitated in midair using ultrasonic waves. The sound waves produce a force strong enough to counteract gravity, allowing a droplet to hover unsupported in the air. Levitating the water droplets allows the water to evaporate in a controlled position, which increases the mass concentration of contaminants in the sample and makes it easier to perform LIBS analysis. Using this method,...Read full article

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