Smartphone System Tests for Lead in Water

  • Magazine Article
  • TBMG-35990
Published February 01, 2020 by Tech Briefs Media Group in United States
  • English

Even small amounts of lead can cause serious health problems. U.S. Environmental Protection Agency (EPA) standards require lead levels in drinking water to be below 15 parts per billion. Currently available consumer test kits are not sensitive enough to accurately detect lead at that level. A new system has been developed using a smartphone and a lens made with an inkjet printer that can detect lead in tap water at levels commonly accepted as dangerous.