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| ka2etrading gold |
| Gold is the most malleable and ductile of all known metals,
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| Gold is the most malleable and ductile of all known metals. A
single ounce of gold can be beaten into a sheet measuring roughly 5
meters on a side. Thin sheets of gold, known as gold leaf, are primarily
used in arts and crafts for gilding. One sheet of gold leaf can be as
thin as 0.000127 millimeters, or about 400 times thinner than a human
hair. Pure gold is soft and is usually alloyed with other metals, such
as silver, copper,
platinum or
palladium, to
increase its strength. Gold alloys are used to make jewelry, decorative items,
dental fillings and coins. The amount of gold in an alloy is measured with a
unit called a carat. One carat is equal to one part in twenty-four, so an 18
carat gold ring contains 18 parts pure gold and 6 parts alloy material. |
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