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The expression "carat of gold" refers to the purity of the precious metal. The purest gold is 24 carats. Carat is also used in the evaluation of diamonds - the mass in carats. When evaluating diamonds, write the letter "C". When referring to gold, the letter "K" is used.
In Ukraine, Russia and a number of other countries, the purity of gold is measured in thousandths - samples. So about an alloy containing 585 parts of gold per 1000 parts of the alloy, they say that this is 585 gold.
In Europe, the purity of gold is measured in carats - KR. Pure gold corresponds to 24 carats.
Gold with impurities of foreign metals is also used in the jewelry industry and makes jewelry much cheaper from it.
What does 24 carat gold mean ?
24 carats contains 99.9% pure gold. But it is usually not used for mass production of jewelry, because it is soft.
What does 18 carat gold mean?
18 carats contain 75% pure metal. 18 carats is 18 parts of the purest gold and 6 parts of foreign metals. An alloy with another metal is needed in order to give a different shade to its rich yellow color, increase strength and make it cheaper.
What does 14 carat gold mean?
14 carats means 14 parts of gold and 10 parts of some metal in order to create an alloy. 14 carat gold is popular for making wedding rings. This is an inexpensive, refined, sparkling metal that is widely used throughout our planet.
What is 12 carat gold?
12 carat is an alloy that consists of 50% pure gold and 50% impurities. It is not widely used in the production and sale of high-quality gold jewelry.
What is the minimum gold content?
10 carats, contains the most minimal amount of gold. For a 10th part of a pure precious metal, 14 parts of foreign impurities come to form an alloy. But this alloy is still considered gold.
What metal is added to gold in jewelry?
Zinc, silver, copper, cobalt, cadmium and palladium are added to create alloys, in which case gold changes color and turns into a material that is quite accessible to the buyer.
How to correlate the metric and carat systems?
9 carats - 375 sample, the amount of pure gold 375 gr. per 1 kg.
10 carats - the average value between 375 and 585 samples, contains pure gold 416 gr. per 1 kg.
14 carats - 585 sample, corresponds to 585 gr. per 1 kg.
18 carat - 750 sample, contains pure precious metal 750 gr. per 1 kg.
23 carats = 958 assay, contains pure gold 958 gr. per 1 kg.
24 carats - 999 test, contains pure precious metal 999 gr. per 1 kg.
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