JOHANNESBURG (miningweekly.com) – The operating turnaround plan for the Drakelands mine at the Hemerdon tungsten and tin project in Devon, south-west England, is gaining momentum and is delivering benefits across the business, with production and sales up 15% for the September quarter, Wolf Minerals MD Richard Lucas reported on Tuesday.

EU Directive 2011/65/EU (RoHS 2) regulates the use of certain hazardous substances in electrical and electronic equipment, with lead ranked at the top of the list, higher than mercury and cadmium. It means lead is highly toxic and does not break down easily, which is why a weight proportion of only 0.1% is permitted in new electronic and electric equipment. It also has a melting point of 327°C, constituting an additional hazard in case of fire.

Tungsten carbide powder is a compound containing atoms of tungsten and carbide. Tungsten carbide powder can be pressed and molded into different shapes and sizes for usage in cutting tools, abrasives, industrial machinery, jewelry, and other tools and equipment.

NUS physicists have discovered that gold nanoparticles can enhance light emissions from tungsten disulphide (WS2) flakes and reveal minute changes in the material composition.