A simple chemical method may prove to be useful in recovering a part of around 300 tonnes of gold used in making electronics gadgets every year, a study revealed.
The team of researchers at University of Edinburgh in Britain said that the existing methodology applied to extract the precious metal from thrown away items are limited in effects also it causes health hazards, since the methods involve toxic chemicals such as cyanide.
Disposed electrical and electronic gadgets such as used mobile devices, old televisions and obsolete computers is said to be holding around 7% of the world’s gold.
Gold is the key component involved in manufacturing of printed circuit boards placed inside electrical devices. The scientists developed a simple mechanism to extract gold from the gadgets without involving toxic chemicals and effectively in comparison with current methods.