SINGAPORE: Nanyang Technological University scientists have invented a portable device that can detect trace levels of heavy metal contaminants in drinking water in just five minutes.
The device combines a chelating agent with an optical measurement system and requires just a few drops of a water sample in a disposable sensor cartridge to detect heavy metals at parts-per-billion precision. While there already are portable devices on the market that can quickly detect heavy metal contaminants, NTU said they might require the additional step of mixing the water sample with a buffer solution before performing the test.
READ: PUB’s Johor waterworks resumes production of treated water to Singapore after drop in ammonia levels
Source: Education Headlines (educationheadlines.net)
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