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Gold , Au
Gold is a chemical element with the symbol Au (from the Latin aurum, meaning shining dawn) and atomic number 79. It is a highly sought-after precious metal which, for many centuries, has been used as money, a store of value and in jewellery.
The metal occurs as nuggets or grains in rocks, underground "veins" and in alluvial deposits. It is one of the coinage metals. Gold is dense, soft, shiny and the most malleable and ductile of the known metals. Pure gold has a bright yellow colour traditionally considered attractive.
Gold formed the basis for the gold standard used before the fiat currency monetary system was employed by the International Monetary Fund (IMF) and the Bank for International Settlements (BIS). It is specifically against IMF regulations to base any currency against gold for all IMF member states. The ISO currency code of gold bullion is XAU.
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Custom EnquiryAu Pellets 1-3mm 99.99% Pure
Gold
Au Rod Diameter 1.588mm (0.0625")
Gold
Au Rod Diameter 12.7mm (0.500")
Gold
Au Rod Diameter 15.88mm (0.625")
Gold
Au Rod Diameter 19.05mm (0.750")
Gold
Au Rod Diameter 25.4mm (1.0")
Gold
Au Rod Diameter 3.175mm (0.125")
Gold
Au Rod Diameter 6.35mm (0.250")
Gold
Au Sheet Thickness 0.25mm (0.010")
Gold
Au Sheet Thickness 0.38mm (0.015")
Gold
Au Sheet Thickness 0.50mm (0.020")
Gold
Au Sheet Thickness 0.762mm (0.030")
Gold
Au Sheet Thickness 1.0mm (0.040")
Gold
Au Sheet Thickness 1.54mm (0.060")
Gold
Au Sheet Thickness 3.175mm (0.125")
Gold
Au Sheet Thickness 6.35mm (0.250")
Gold
Au Wire 1.0mm dia. 99.99% Pure
Gold
Au Wire 1.5mm dia. 99.99% Pure
Gold
Au Foil Thickness 0.1mm (0.004") Purity 99.99%
Gold
Au Foil Thickness 0.15mm (0.006") Purity 99.99%
Gold
Au Foil Thickness 0.2mm (0.008") Purity 99.99%
Gold
Au Foil Thickness 0.1mm (.004")
Gold
Au Foil Thickness 0.152mm (.006")
Gold
Au Foil Thickness 0.2mm (.008")
Gold
Modern industrial uses include dentistry and electronics, where gold has traditionally found use because of its good resistance to oxidative corrosion.
Chemically, gold is a trivalent and univalent transition metal. Gold does not react with most chemicals, but is attacked by chlorine, fluorine, aqua regia and cyanide. Gold dissolves in mercury, forming amalgam alloys, but does not react with it. Gold is insoluble in nitric acid, which will dissolve silver and base metals, and this is the basis of the gold refining technique known as "inquartation and parting". Nitric acid has long been used to confirm the presence of gold in items, and this is the origin of the colloquial term "acid test," referring to a gold standard test for genuine value.