Simple and Rapid Device for Mercury Detection Based on The Formation of Mercury(II)-Dithizonate on Polytetrafluoroethylene (PTFE) Membrane

Hermin Sulistyarti (Brawijaya University)
Mega Madha Wijaya (University of Brawijaya)
Dewi Setyowati (University of Brawijaya)
Sutrisno Sutrisno (University of Brawijaya)
Erwin Sulistyo (University of Brawijaya)

The Journal of Pure and Applied Chemistry Research
Vol 8, No 2 (2019): Edition May-August 2019

A new analytical device for mercury detection has been developed by doping dithizone on to hydrophobic PTFE (polytetrafluoroethylene) membrane to form a blue dithizone membrane which instantaneously changed to orange color of mercury(II)-dithizonate complex, when this dithizone membrane was contacted to mercury(II) solution. The higher concentration of mercury showed the greater intensity of the orange colour mercury(II)-dithizonate complex. The design and chemicals were optimized to obtain the best performance for mercury measurement. This method is prospective as mercury test kit for simple, low cost, and rapid semi-quantitative method for mercury(II) determination from 1-10 mgL-1 suits for on-site mercury detection and has been applied to cosmetics with satisfactory results.