Highly selective simultaneous determination of Cu(), Co(), Ni(), Hg(), and Mn() in water samples using microfluidic paper-based analytical devices

A new paper-based analytical device design was fabricated by a wax printing method for simultaneous determination of Cu( ii ), Co( ii ), Ni( ii ), Hg( ii ), and Mn( ii ). Colorimetry was used to quantify these heavy metal ions using bathocuproine (Bc), dimethylglyoxime (DMG), dithizone (DTZ), and 4-...

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