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GOLD. A metal used in making money, or coin. It is pure when the metal is unmixed with any other. Standard gold, is gold mixed with some other metal, called alloy. Vide Money.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
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The use of gold alloy or chrome cobalt alloy has been well documented in the recent literature and the clinical results of those materials are predictable and safe.
Abutment z Zirconia t Titanium g Gold alloy: cast-to abutment (Astra Tech): Au 60%, Pt 19%, pd 20%, Ir 1%, or gold-hue titanium Veneering IPS Empress 2: apatite glass-ceramic (Ivoclar Vivadent) IPS d.SIGN: fluorapatite leucite glass-ceramic (Ivoclar Vivadent, Schaan, Liechtenstein) Crown coping z Procera Zirconia: yttria-stabilized tetragonal zirconia polycrystal, Y-TZP (Nobel Biocare[TM], Gothenburg, Sweden) m ORION WX: gold alloy, AU 52.0%, Pd 38.0%, In 8.2%, Ga 1.6%, and Ag and Re < 1% (Elephant Dental BV, Hoorn, Netherlands) Table 2: Color difference ([DELTA]E) of the implant crown and peri-implant mucosa compared to neighboring tooth and gingival (M [+ or -] SE and p values) based on different restorative material combinations.
Strong acid water showed marked increase concentration of aufrom gold alloy. X-ray mi- croanalysis revealed that the silver chloride crystals deposits were the corrosion products on the precious metal alloys.
The case has been crafted from 18k Sedna gold, a rose gold alloy whose composition means that its colour and lustre will be especially long lasting.
Swatch Group assembled a team of top metallurgists and scientists from several of its companies with the shared goal of creating an 18K rose gold alloy whose colour would be not only beautiful but enduring.
MODERN ALCHEMY Check out Coffrin's "new metal" jewelry of low--karat, yellow gold alloy. Bracelet with rutilated quartz links (in sodalite, amazonite, mother-of-pearl and more) mounted on semi--precious stone slabs and accented with brilliant-cut white diamonds ($3,200).
Gold also has varying degrees of purity; pure gold is 24 karats, whereas 22, 18, or 14 karats is some type of gold alloy. The percentage of other metals in such alloys can create 14 karat gold or some variations of gold, whether that is rose, white, or green.
The specially-made car is not brushed with gold paint but has been made of gold alloy sheet metal.
Because the gold alloy possesses a thermal conductivity that is four times higher than the platinum-iridium used in conventional catheters, it allows greater energy delivery with a lower tip temperature.
Natalya Barsukova filed the suit, claiming that she purchased a pair of $129 Macy's earrings that were labeled "fine gold." When the earrings later became tarnished, she took them to a jeweler, who informed her that they were actually sterling silver coated in gold alloy. Barsukova argues that Macy's advertising violates Federal Trade Commission rules; she is seeking punitive damages as well as refunds for customers who bought "gold" or "fine gold" jewelry that was actually made of sterling silver.
Of these, the GPH is a gold alloy bonding wire for halogen-free resin that reduces the burden on the environment, and for the first time in the world, is able to maintain connection reliability for up to 4,000 hours under the high temperature of 175 degrees Celsius, which is double the time for existing products.
The showcase will include new gold colors such as purple and blue, gold alloy effects, powder metallurgy, gold based composites and new colored gold coatings.