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natural jewelry cleaner wholesale 24K gold refers to 100%gold.
In fact, the purity of 24K gold in various places is not exactly the same. The 24K gold in Japan and the former Soviet Union contains 99.99%of gold, most of the company in South Africa and my country earlier is 99.6%, and the United Kingdom is 99.5%. 98.4%.
but the national standard GB 11887-008 promulgated in 2008, the "Regulations and Name Methods of the Pigmentation of Jewelry Precious Metals" has stipulated that the theoretical purity of 24K is 100%. Because it is impossible to achieve this theoretical value objectively, it has decided to abandon the identification of 24K, that is, there should be no more than 24K gold.
The gold content of each gold is (in parentheses):
8k = 8*4.166%= 33.328%(333 ‰)
9k = 9*4.166%= 37.494%(375 ‰)
10k = 10*4.166%= 41.660%(417 ‰)
12k = 12*4.166%= 49.992%(500 ‰)
14k = 14*4.166%= 58.324%(583 ‰) r
18k = 18*4.166%= 74.998%(750 ‰)
20k = 20*4.166%= 83.320%(833 ‰)
21k = 21*4.166%= 87.486%(875 ‰)
22k = 22*4.166%= 91.652%(916 ‰)
24k = 24*4.166%= 99.984%(999 ‰)
ariella jewelry wholesale "24K gold refers to 100%gold. In fact, the purity of 24K gold in various places is not exactly the same.
The 24K gold in Japan and the former Soviet Union contains 99.99%of gold, South Africa Most companies in my country were 99.6%, and the United Kingdom was 99.5%. Most of the Hong Kong and Macau regions in my country were mostly> 95.84%. It is also called "foot gold" or "pure gold". Theoretically, 24K gold should be equal to pure gold. In fact, the purity of 24K gold in various places is not exactly the same. Japan and the original Soviet Union's 24K gold contains 99.99% of gold 99.99%. .
The earlier standards for South Africa and my country were 99.6%, Britain is 99.5%, and Hong Kong in my country. Macau Macau is mostly> 95.84%. my country's national standard GB 11887-2008 "Regulations on the Pigmentation of Jewelry Precious Metals and Naming Methods" has stipulated that 24K theoretical purity is 100%.
It because it is impossible to achieve this theoretical value, it has decided to abandon 24K logo logo. , That is, there should be no name of 24K gold.
jewelry wholesale terms and conditions 24K gold refers to 100%gold.
1. In reality, it is impossible to have 100%gold, so China stipulates that gold with a content of more than 99.96%(including 99.96%) can be called 24K gold. Also called thousands of gold. The understanding of 24K gold in society is thousands of gold.
2. According to the latest national compulsory standard GB11887-2012 "Regulations and Name Method Methods of Jewelry Pure Metals" No. 1, the announcement was officially implemented on May 4, 2016 "Gold", "24K Gold" and other calls. And unified called Foot gold.