The unique characteristics of the gold of the Aonth and its ability to drag and profile, and its resistance to corrosion, made it suitable for many purposes it is mixed with other metals such as copper or silver or nickel to get a more durable alloy, with the platinum enters in the manufacture of industrial ultrastrong fibers because they are very resistant to separate chemicals, the gold is the metal of choice in many areas such as:
1. In the ornamental jewelry: -
Much use of gold in ornamental jewelry known as yellow gold, this is done by mixing gold with copper, silver and zinc in varying proportions resulting in shots multi-gold, and is measuring the degree of purity of the gold parts (ppt) or Bayar by the US measure, for example, the degree of purity 1000 corresponding to 24 caliber, and the degree of purity correspond to 875 caliber 21, while 750 corresponds to 18 caliber, and in general, the color tends to pale whenever you lose caliber any number decreased the amount of gold in the alloy. The white gold is gold mixed with tin or palladium in order to impart the color white and white gold is usually used for jewelry kits.
2. In medicine: -
Used in dentistry due to Aonth and its resistance to corrosion in the mouth.
Gold solution is also used in the treatment of rheumatism and bone infections.
Gold is used irradiated (198) in the treatment of some types of cancer.
3. Investment: - Many holders of gold store it in the form of ingots or in the form of coins as a hedge against inflation or other economic disruptions. However, some economists do not believe that gold as a hedge against inflation or currency depreciation.
4. Food and drink: -
The use of gold in food and contains a number E 175.
The use of gold leaf, some foods and sweets, particularly gourmet, drinks decorative ingredient.
5. Industry: - Gold is used to join the elements of high-temperature gold jewelery for welding steel or brass. If used in a stamp of quality. It also uses a high-end cylinders reflective layer.
