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Information @ a Glance

General

  • Palladium is a rare and lustrous silvery-white metal that was discovered in 1803 by William Hyde Wollaston.
  • Palladium, along with platinum, rhodium, ruthenium, iridium and osmium form a group of elements referred to as the platinum group metals (PGMs).
  • Palladium is a soft silver-white metal that resembles platinum.It is the least dense and has the lowest melting point of the platinum group metals.It is soft and ductile when annealed and greatly increases its strength and hardness when it is cold-worked.

Application

  • Palladium is used in dentistry,[11][12] watch making, in blood sugar test strips, in aircraft spark plugs and in the production of surgical instruments and electrical contacts. Palladium is also used to make professional transverse flutes.
  • The biggest application of palladium in electronics is making the multilayer ceramic capacitor. Palladium are used as electrodes in multi-layer ceramic capacitors.
  • Palladium (sometimes alloyed with nickel) is used in connector platings in consumer electronics.It is also used in plating of electronic components and in soldering materials.

Mining Process

  • The ramp and fill method begins in a horizontal stope or production level and involves the use of hand held or mechanized drills for blasting and load-haul-dump (LHD) mucking machines to haul away the ore using an access ramp.
  • Sub-level stoping involves a ramp along the footwall of the reef to allow access to the orebody at 50 foot vertical intervals after which time long hole drilling and blasting methods are used to remove the panel in between the two sublevels.
  • The crude platinum salt that results is then heated to create a fine platinum powder.The crude palladium salt produced by the addition of ammonia is recovered through filtration, re-dissolved in ammonia, and precipitated to form high-grade palladium salt.

Market

  • A decision by the Japanese government to reduce the subsidy for the palladium alloys in dentistry contributed to a drop in demand of 60,000 ounces (8%) to 725,000 ounces.
  • In Japan as a whole demand declined by more than 205,000 to 450,000 ounces, the lowest level in more than a decade, and outstripping the modest improvements in demand in North America and Europe.
  • A fall in the use of palladium-based catalysts by the bulk chemicals industry offset a slight increase in demand for palladium gauze by nitric acid producers.

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