Currently there are 9999 gold.

The gold "9999" here actually refers to the purity of gold in finished products made of gold as raw material, which is greater than or equal to 99.99%. Because of its extremely high purity, gold finished products with such purity are also called It is "ten thousand pure gold" and forty-nine gold.

However, it should be noted that because the country does not yet have a clear standard for the purity of gold and its manufactured products, the so-called forty-nine gold or "ten thousand pure gold" are mostly promoted by merchants, and some of the purity Gold that is less than 99.99% may also be labeled as pure gold. Therefore, when purchasing gold or its finished products, we must purchase it from formal channels or large institutional brands to avoid being deceived.

Extended information:

Gold is the elemental form of the chemical element gold (Au). It is a soft, golden, corrosion-resistant precious metal. Gold is one of the rarer, more precious and highly valued metals. Pure gold is rarely found in nature and often contains associated elements such as silver, copper, iron, palladium, bismuth, platinum, nickel, tellurium, selenium, and osmium. Natural gold Those containing more than 15% silver are called silver gold mines, those containing more than 20% copper are called copper gold mines, those containing 5%-11% palladium are called palladium gold mines, and those containing more than 4% bismuth are called bismuth gold mines. . Internationally, gold is generally measured in ounces. In ancient China, "liang" was used as the unit of gold. It is a very important metal. It is not only a special currency used for reserves and investments, but also an important material in the jewelry industry, electronics industry, modern communications, aerospace and aviation industries and other sectors.

Due to different uses, the required fineness is different, or because there is no purification equipment, it is only melted without purification, or the purity of the purification is not enough, resulting in gold of varying fineness. People customarily divide ripe gold into three types: pure gold, red gold, and colored gold according to the quality. Gold that has been purified to a very high purity is called pure gold, and gold generally refers to pure gold with a fineness of more than 99.6%.

The purity of gold can be expressed by letters or Chinese characters. K is the most common expression. "K" means per karat (abbreviation of English carat and German karat, often written as "k") The gold content is about 4.166%. 24k gold is often considered to be pure gold and becomes "1000‰", but the actual gold content is 99.99%, which is converted to 23.988k. my country's gold products often use Chinese characters to indicate gold purity, such as pure gold, thousand feet Kim et al.