Every year, millions of people discard their old electronic devices without realizing they’re throwing away something ...

According to the new research, high-purity gold can be removed selectively from e-waste using textile adsorbents instead. These fiber-like materials, made of a chemical called polyacrylonitrile ...

We're after pure gold, but rock that contains gold also includes lots of other materials such as quartz, calcite, and the sulfides of other metals. Since we need to separate the gold from the rest ...

The company goes through over 10 tons of gold a year in their East London site, where it produces 99.99% pure gold and then turns it into cast bars, minted bars, and coins. The refinery gets its ...

Gold Hallmarking, Pure Gold, 24 Carat Gold: Have you ever wondered what if you are not getting the promised purity of gold especially during high demand periods characterised by a rush of festivals or ...