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750 sample of gold - what is it? How much does the gold cost 750?

If you look at the periodic table of Mendeleev, then gold is a heavy metal of yellow shade with atomic number 79. In Latin it sounds like aurum. Gold 750 tests - what does this mean? Where it is applied and how much is it?

Using gold

According to the historical information, gold is a pioneer of metals, with which mankind interacted. Acquaintance with it happened 2-3 thousand years ago, as evidenced by the jewelry found on the excavations. Also mention of this precious metal is present in the Iliad and the Bible. A great curiosity, gold caused and the alchemists, often looking for ways to convert metals into precious, which was attributed to the great power.

In today's world, gold has several functions:

  • In commodity production, it fulfills the function of money;
  • In art used for jewelry work;
  • In medicine is used as a component of some drugs;
  • Is also used in the chemical industry and electrical equipment.

Gold 750 - what does it mean

It should be noted that pure gold without additives simply does not exist, there is always some percentage of certain impurities. The number of pieces of pure metal that is contained in 1000 parts of the alloy is called a breakdown. In the world, 4 sampling systems are adopted: spool, metric, lot and carat. The most popular ones are metric and carat.

In our country, the metric system is widespread, that is, the ratio of the number of grams of gold per kilogram of jewelry alloy. There are samples from 375 to 999. 750 test of gold is highly valued by lovers of expensive jewelry.

European countries and the USA are characterized by a carat system. A carat sample is the ratio of the number of pure metal fractions from 24 parts of the alloy. This system is provided exclusively for gold alloys.

585 or 750 gold sample?

Most often when buying jewelry, consumers face 585 and 750 tests. Russian lovers of precious metals often give preference to products with 585 breakdown, which is easy to explain by the ratio of price and quality. However, jewelry items made of such gold contain more impurities.

Gold itself is a very amorphous metal, and with a constant toe, the product could be deformed, or there would be scratches on it. When adding silver, palladium or nickel, zinc and copper, a more solid alloy of precious metal is obtained. 750 gold sample contains 25% of additives such as platinum, silver, palladium, copper and nickel.

Depending on the increase in the proportion of some components, it is possible to obtain an alloy of different shades: from gently pink to greenish. It can be noted that in Russia the reddish shade of gold is most common, and in Europe it is yellow. The well-known "red gold" is made by adding copper to the jewelry alloy. When the ingot is heated, a unique reddish shade is obtained.

750 the sample of gold is special in that it is easily polished and processed. The most sophisticated and sophisticated jewelry is obtained from this alloy. In addition, this gold can be used as an excellent base for enamel. Precious products of this kind are now gaining popularity.

But still it is worth noting that for everyday wearing jewelry is more suitable gold of 585 tests, as more durable. If you compare how much gold costs 750 and 585, then the gram of the first alloy is almost 1.5 times more expensive (the price is about 1100 rubles).

Quality of gold products

Gold has a chemical ability: in pure form, it is not subjected to oxidation and other chemical effects. But when combined with other metals, these properties become different. It is generally accepted that gold alloys of 750 and above are not exposed to corrosion. It is worth noting that when making an alloy, gold can be distributed unevenly, and then a site in which it is small or completely absent, can be corroded. Jewelry in this place will be dull.

Italian gold

Many reputable jewelry stores offer products made of "Italian gold". The name, as you might guess, originated from the country of the manufacturer of jewelry. Ornaments of this kind have a special kind of processing. They are thoroughly polished, and visually it seems that the products are shining. In addition, the decorations differ in the fineness of their work and in various ornaments.

When purchasing such a product, it is worthwhile to note that scammers can issue a product of lower quality for Italian gold of 750 tests. Real Italian jewelry must have a certificate. For the Russian eye, the colors of Italian gold are not widely used, which can have white and yellow shades.

Italy is a unique country. It occupies an honorable third place in the world for the production of jewelry in the extraction of gold not more than 100 kilograms per year. The rest of the material is purchased in South Africa. Due to the unique design, the profit from the sale of jewelry brings considerable profits to the treasury of Italy. Buyers of Italian jewelry - Switzerland, the United States, China, the United Arab Emirates and other countries.

White gold

White gold 750 is an alloy of gold with nickel or palladium. Sometimes platinum may be present. The very alloy of white gold has a rather dull sheen. In order to make it more vivid, a thin rhodium coating is used, which, when the jewelry is often worn, must be updated regularly.

The technique of work is characteristic and used in the performance of jewelery - it is granulation. To a very thin gold plate, tiny granules are welded, and with their help a pattern is created on the product. This type of technology has its origins long ago, as evidenced by historical and scientific excavations.

Currently, many lovers of precious jewelry on hearing are such famous jewelry houses as BULGARI, DIMIANI, who use the technique of granulation.

When buying gold products, it is worth paying attention not only to the price, but also to the availability of necessary certificates and passports. It is worth buying the products of proven and well-known manufacturers in specialized stores.

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