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While awaiting full access to their labs due to COVID-19 restrictions, scientists at the National Institute of Standards and Technology (NIST) have taken the time to report on research conducted in 2012 on the disinfection of drinking water using ultraviolet (UV) light. The research was published online in July 2020 by the Review of Scientific Instruments.
The NIST scientists developed a system that uses a portable, tunable laser to deliver a well-controlled UV beam, which a University of Colorado Boulder (UC Boulder) team then used to test UV wavelengths to learn which were most effective at disinfecting water.
Water irradiation systems typically have used a UV lamp that emits most of its UV light at a single wavelength (254…READ MORE