Industrial Usage Of Gold
The unique properties of gold such as ductility
, reflectivity, resistance to corrosion, and the ability to be used as a thermal and electrical conductor, make it an ideal candidate for use in a variety of industrial applications. With the inventions sparkling in almost all ventures, industries are booming with new ideas and technology to use gold in all possible ways. Today, most of the leading industries, like medicine, computers, etc., use gold in umpteen ways.
Gold in computers:
The rapid and accurate transmission of digital information through the computer and from one component to another requires an efficient and reliable conductor. Gold meets these requirements better than any other metal.
Edge connectors used to mount microprocessor and memory chips onto the motherboard and the plug-and-socket connectors used to attach cables all contain gold.
Gold in medicine:
Your smile would be rusty a few days after a filling with iron and you would need to get used to the taste of iron. Even at much higher expense, gold is used in dentistry because of its superior performance and aesthetic appeal. Gold alloys are used for fillings, crowns, bridges and orthodontic appliances. Gold is used in dentistry because it is chemically inert, nonallergic and easy for the dentist to work with.
Particles of a radioactive
Gold isotope are implanted in tissues to serve as a radiation source in the treatment of certain cancers.
Radioactive gold is used in diagnosis. It is injected in a colloidal solution that can be tracked as a beta emitter as it passes through the body.
Small amounts of gold are used to remedy a condition known as Lagophthalmos, which is an inability of a person to close their eyes completely. This condition is treated by implanting small amounts of gold in the upper eyelid. The implanted gold "weights" the eyelid and the force of gravity helps the eyelid close fully.
Gold in food industry:
Gold flake was used by the nobility in Medieval Europe as a decoration in food and drinks, in the form of leaf, flakes or dust, either to demonstrate the host's wealth or in the belief that something that valuable and rare must be beneficial for one's health.
Danziger Goldwasser (German: Gold water of Danzig) or Goldwasser (English: Goldwater) is a traditional German herbal liqueur produced in what is today Gdask, Poland, Schwabach, Germany, and contains flakes of gold leaf.
There are also some expensive (~$1000) cocktails which contain flakes of gold leaf. However, since metallic gold is inert to all body chemistry, it has no taste, it provides no nutrition, and it leaves the body unaltered.
General industrial applications of gold:
Gold is also used when making specialty glass for climate controlled buildings and cases. A small amount of gold dispersed within the glass or coated onto the glass surface will reflect solar radiation outward, helping the buildings stay cool in the summer, and reflect internal heat inward, helping them stay warm in winter.
The visor on the helmet of an astronaut's space suit is coated with a very thin film of gold. This thin film reflects much of the very intense solar radiation of space, protecting the astronaut's eyes and skin.
The simple touch telephone typically contains 33 gold-plated contacts. The plating of contacts in switches, relays and connectors is the main application of gold in electronics. Japan is the largest fabricator of electronic products, accounting for over 45% of gold consumption in the electronics field, followed by the US, at 30%.
Automobiles may use gold for heat dissipation. McLaren uses gold foil in the engine compartment of its F1 model.
Gold can be made into thread and used in embroidery.
In photography, gold toners are used to shift the colour of silver bromide black-and-white prints towards brown or blue tones, or to increase their stability. Used on sepia-toned prints, gold toners produce red tones. Kodak published formulas for several types of gold toners, which use gold as the chloride.
Gold can be manufactured so thin that it appears transparent. It is used in some aircraft cockpit windows for de-icing or anti-icing by passing electricity through it. The heat produced by the resistance of the gold is enough to deter ice from forming.
by: IndianGoldRates
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