Precious metals

Palladium in its pure form is rarely found in nature. It is usually mined from nickel and

Is gold plated silver washable or not? This is a question that buyers often ask when looking at items in display windows.

Why does silver turn yellow and what to do about it? join the discussion Share with friends

Basic rules for cleaning gold plates You cannot compare gold-plated products with silver or gold ones. IN

Uncontrolled sale of precious minerals within the territorial borders of Russia or after their export abroad,

Refining is the purification of metal from impurities. This process consists of a series of sequential separation processes

Iridium, properties of the atom, chemical and physical properties. Ir 77 Iridium 192.217(3) 1s2 2s2 2p6

How the metal Ruthenium was discovered came into the sphere of interest of scientists by the middle of the 19th century,

Folk signs Since ancient times, people have associated the blackening of metal with the influence of evil forces. It was believed that Argentum