4 thoughts on “Is Au a golden -metering unit? What does AU999 mean in gold earrings?”
Elbert
AU is not a measurement unit of gold, but the abbreviation of the chemical elements of gold. AU999 in the gold earrings refers to the purity of gold, that is, the gold content of the gold is not less than 999, which is the 24K gold. In December 2014 The name is renamed this kind of gold. If in accordance with the "Regulations and Naming Methods of Jewelry Precious Metals" 4.2 The purity of the materials of the jewelry accessories should be consistent with the subject. Due to the needs of strength and elasticity, the accessories materials should meet the following requirements: 4.2.1 gold jewelry with a gold content of not less than 916 ‰ (22K), and the gold content of its accessories must not be less than 900 ‰. 4.2.2 platinum content with platinum content is not less than 950 ‰, and the platinum content of its accessories must not be less than 900 ‰. 4.2.3 钯 钯 jewelry with a content of not less than 950 ‰, and the 钯 content of its accessories must not be less than 900 ‰. 4.2.4 Fetal silver jewelry, the silver content of its accessories must not be less than 925 ‰. 4.3 The elements contained in precious metals and alloy jewelry shall not be harmful to human health, and the harmful elements shall comply with the regulations of GB28480. The expansion information:
This to change the purity regulations and naming methods of the purity of the gold jewelry, cancel the title of "Thousands of Gold". Differential expressions, the gold jewelry with a purity of more than 990.0 ‰ is uniformly referred to as "foot gold", which is conducive to weakening the impression of the purity of gold jewelry, helping the return of gold consumption concepts, and more in line with the nature of gold jewelry products. Let gold make gold. Jewelry design and production return to its own laws. The titles such as "Thousands of Gold" can be loosened to production and consumption environment, but it cannot replace the inner law.如果把国标视作质量品质标准的门槛，其起到的只是最基本的调节作用，而黄金首饰生产商家完全可以在国标的基础上，建立自己的行业标准，并突出黄金产品的工艺价值，完善The pricing mechanism to guide consumers consumption makes purity no longer the only pursuit of production and consumption. Reference materials Source: Baidu Encyclopedia -regulations and naming methods of jewelry precious metal purity
AU is the chemical name of gold. The metrological unit of the metrological unit is: gold traded in the European and American gold market, and the gold transaction measurement unit used in the European and American gold market is Jin Hengfeng. The converted unit of the "paper gold" business launched by several major banks in my country is converted from the international dollar/(Jin Heng) ounce to Yuan/gram, which is Price*Exchange Rate/31.1035 1 ounce = 31.1035 grams n n n n n n n n n n n n n n n n n n n n R NAU999 is a sign of "pure gold", that is, the gold content is 99.9%. Only the crafts made by the whole body by pure gold or sterling silver can be marked. It surface gold plating to imitate and hit the AU999 logo, deceive consumers, please pay attention to identification and beware of being fooled
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AU is not a measurement unit of gold, but the abbreviation of the chemical elements of gold. AU999 in the gold earrings refers to the purity of gold, that is, the gold content of the gold is not less than 999, which is the 24K gold. In December 2014 The name is renamed this kind of gold.
If in accordance with the "Regulations and Naming Methods of Jewelry Precious Metals" 4.2 The purity of the materials of the jewelry accessories should be consistent with the subject. Due to the needs of strength and elasticity, the accessories materials should meet the following requirements:
4.2.1 gold jewelry with a gold content of not less than 916 ‰ (22K), and the gold content of its accessories must not be less than 900 ‰.
4.2.2 platinum content with platinum content is not less than 950 ‰, and the platinum content of its accessories must not be less than 900 ‰.
4.2.3 钯 钯 jewelry with a content of not less than 950 ‰, and the 钯 content of its accessories must not be less than 900 ‰.
4.2.4 Fetal silver jewelry, the silver content of its accessories must not be less than 925 ‰.
4.3 The elements contained in precious metals and alloy jewelry shall not be harmful to human health, and the harmful elements shall comply with the regulations of GB28480.
The expansion information:
This to change the purity regulations and naming methods of the purity of the gold jewelry, cancel the title of "Thousands of Gold". Differential expressions, the gold jewelry with a purity of more than 990.0 ‰ is uniformly referred to as "foot gold", which is conducive to weakening the impression of the purity of gold jewelry, helping the return of gold consumption concepts, and more in line with the nature of gold jewelry products. Let gold make gold. Jewelry design and production return to its own laws.
The titles such as "Thousands of Gold" can be loosened to production and consumption environment, but it cannot replace the inner law.如果把国标视作质量品质标准的门槛，其起到的只是最基本的调节作用，而黄金首饰生产商家完全可以在国标的基础上，建立自己的行业标准，并突出黄金产品的工艺价值，完善The pricing mechanism to guide consumers consumption makes purity no longer the only pursuit of production and consumption.
Reference materials Source: Baidu Encyclopedia -regulations and naming methods of jewelry precious metal purity
AU is the chemical name of gold. The metrological unit of the metrological unit is: gold traded in the European and American gold market, and the gold transaction measurement unit used in the European and American gold market is Jin Hengfeng. The converted unit of the "paper gold" business launched by several major banks in my country is converted from the international dollar/(Jin Heng) ounce to Yuan/gram, which is Price*Exchange Rate/31.1035 1 ounce = 31.1035 grams
n n n n n n n n n n n n n n n n n n n n R NAU999 is a sign of "pure gold", that is, the gold content is 99.9%. Only the crafts made by the whole body by pure gold or sterling silver can be marked.
It surface gold plating to imitate and hit the AU999 logo, deceive consumers, please pay attention to identification and beware of being fooled
It means that the gold is the highest and the highest, the highest meaning, right?
n00:00 / 00: 0970% shortcut keys to describe space: Play / suspend ESC: exit full screen ↑: increase volume 10% ↓: reduced volume decrease by 10% →: single fast forward 5 seconds ←: single fast retreat 5 seconds Press hold up and hold it up. Here you can drag no longer appear in the player settings to reopen the small window shortcut key description