There are two types of labeling methods for the code code of the gold: 1, AU, this is the golden chemical symbol, which can be found in the element cycle table; 2, g, the abbreviation of golden English words GOLD, representing gold. Or XAU This content: 999 represents the content of 99.9%, which is often called thousands of gold. If it is AU750, it means that the gold content is 75%. There is also a method of 24K, 18K, 14K, etc. 24K is the labeling of foot gold. 18K is 75%of the gold content. Gold (GOLD) is a single form of chemical element gold (chemical element symbol AU). It is a soft, golden, corrosive precious metal. Gold is one of the rare, precious and extremely valued metals. The international gold is generally based on ounces. In ancient China, "two" was used as a gold unit, and it was a very important metal. It is not only a special currency for reserves and investment, but also an important material for the jewelry, electronics, modern communications, aerospace and air industry and other departments.
The extension information: The four textures of gold are as follows: 1, red gold and pure gold are close, but due to the different time and place, the standards of Chijin are different. The gold sold in the international market is 99.6%of the golden gold. The red gold in the territory is generally between 99.2%-99.6%. 2, color gold, also known as "secondary gold" and "tide gold", refers to the low color. Due to the different metal content of these gold, the high color is 99%high, and only 30%of the low. The is divided by different metals, cooked gold can be divided into color gold, mixed gold, K gold, etc. The color gold refers to gold only mixed with silver components, regardless of whether it is high or low. There are more color gold, commonly in gold bars, gold ingots, gold blocks and various utensils and gold jewelry. 3, mixed gold refers to the gold inside the gold, in addition to the silver, but also contains other metals such as copper, zinc, lead, and iron. Depending on the type and quantity of the metal contained in, it can be divided into small mixed gold, large mixed gold, bronze mixed gold, and lead -containing large mixed gold. 4, K gold refers to gold and copper according to a certain proportion of gold, and according to the formula of 24K formulas. Generally speaking, the more the proportion of k gold is silver, the more colorful the color; the large copper ratio is purple. Reference materials Source: Baidu Encyclopedia-Gold
In the jewelry, there are two types of labeling methods in the code of gold: 1, AU, this is the golden chemical symbol, which can be found in the element cycle table; Abbreviation, representing gold. This content: 999 represents the content of 99.9%, which is often referred to as thousands of gold. If it is AU750, it means that the gold content is 75%. There is also a method of 24K, 18K, 14K, etc. 24K is the labeling of foot gold. 18K is 75%of the gold content.
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There are two types of labeling methods for the code code of the gold:
1, AU, this is the golden chemical symbol, which can be found in the element cycle table;
2, g, the abbreviation of golden English words GOLD, representing gold. Or XAU
This content: 999 represents the content of 99.9%, which is often called thousands of gold. If it is AU750, it means that the gold content is 75%. There is also a method of 24K, 18K, 14K, etc. 24K is the labeling of foot gold. 18K is 75%of the gold content.
Gold (GOLD) is a single form of chemical element gold (chemical element symbol AU). It is a soft, golden, corrosive precious metal. Gold is one of the rare, precious and extremely valued metals.
The international gold is generally based on ounces. In ancient China, "two" was used as a gold unit, and it was a very important metal. It is not only a special currency for reserves and investment, but also an important material for the jewelry, electronics, modern communications, aerospace and air industry and other departments.
The extension information:
The four textures of gold are as follows:
1, red gold and pure gold are close, but due to the different time and place, the standards of Chijin are different. The gold sold in the international market is 99.6%of the golden gold. The red gold in the territory is generally between 99.2%-99.6%.
2, color gold, also known as "secondary gold" and "tide gold", refers to the low color. Due to the different metal content of these gold, the high color is 99%high, and only 30%of the low.
The is divided by different metals, cooked gold can be divided into color gold, mixed gold, K gold, etc. The color gold refers to gold only mixed with silver components, regardless of whether it is high or low. There are more color gold, commonly in gold bars, gold ingots, gold blocks and various utensils and gold jewelry.
3, mixed gold refers to the gold inside the gold, in addition to the silver, but also contains other metals such as copper, zinc, lead, and iron. Depending on the type and quantity of the metal contained in, it can be divided into small mixed gold, large mixed gold, bronze mixed gold, and lead -containing large mixed gold.
4, K gold refers to gold and copper according to a certain proportion of gold, and according to the formula of 24K formulas. Generally speaking, the more the proportion of k gold is silver, the more colorful the color; the large copper ratio is purple.
Reference materials Source: Baidu Encyclopedia-Gold
In the jewelry, there are two types of labeling methods in the code of gold:
1, AU, this is the golden chemical symbol, which can be found in the element cycle table; Abbreviation, representing gold.
This content: 999 represents the content of 99.9%, which is often referred to as thousands of gold. If it is AU750, it means that the gold content is 75%. There is also a method of 24K, 18K, 14K, etc. 24K is the labeling of foot gold. 18K is 75%of the gold content.
Gold's chemical element AU, English gold (GOLD) so 18K gold marking G750.
AU
AU999
AU9999
AU9995
AU9950
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