01.06.2016 - Precious Metals: A Resource Worth Recycling
Precious metals are among the most valuable of Earth’s resources. As long as humans have been on the planet they’ve coveted these metals. The pleasing appearance, tarnish resistance, and permanence of gold and silver have made them ideal choices throughout recorded history for jewelry, ornamentation of persons and objects, and investment in the form of coins, bars, and exchange-traded items. Platinum group metals (PGM) did not come on the historical scene until about 1800, but the high melting points, high corrosion resistance, and excellent catalytic properties of platinum, palladium, rhodium, ruthenium, iridium, and osmium make them indispensable for many industrial applications..............................................Full Article: Source
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