nana jewelry wholesale There are three types of gold called pure gold -K gold (or opening gold) is a alloy made of gold and other metals. The market is more common in the market with 18K gold, and the gold content is 750 ‰ sufficient gold -the gold content is not less than 990 ‰ thousands of gold -the gold content is greater than 999 ‰
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stainless steel jewelry wholesaler Pure gold refers to 24K gold, and its gold content is 100%. In theory, 100%gold can be called 24K gold, but in reality, it is impossible to have 100%gold, so China stipulates that gold with a content of more than 99.6%(including 99.6%) can be called 24K gold.
The "K gold" indicates that Huangquan purity gold jewelry is usually divided into foot gold and K gold. K is a symbol used internationally to represent the purity (that is, the gold content). Generally speaking, the more the proportion of K gold is silver, the more colorful the color is, and the large copper ratio, the color is purple and red. The following editor of the golden investment network will introduce the standard of pure gold content.
The standard for pure gold content: The method of calculating k gold is: color = k to X4.166%
n8k = 8x4.166%= 33.328%(gold content content content content It is 33.3%, the national standard is 333 ‰)
9k = 9x4.166%= 37.494%(the gold content is 37.5%, the national standard is 375 ‰)
n10k = 10x4.166 %= 41.660%(the gold content is 41.7%, and the national standard is 417 ‰)
12k = 12x4.166%= 49.992%(the gold content is 50%, the national standard is 500 ‰)
14k = 14x4.166%= 58.324%(the gold content is 58.3%, the national standard is 583 ‰)
18k = 18x4.166%= 74.998%(75%of the gold content, the national standard is 750 ‰) rnrn20K=20X4.166%=83.320%(含金量为83.3%,国家标准为833‰)rnrn21K=21X4.166%=87.486%(含金量为87.5%, The national standard is 875 ‰)
22k = 22x4.166%= 91.652%(the gold content is 91.6%, the national standard is 916 ‰)
24K = 24x4.166%= 99.984% (The gold content is 99.9%, and the national standard is 999 ‰.)
The K gold on the market is 24K gold, 22K gold, 18K gold, 14K gold, etc. In theory, 100%gold can be called 24K gold, but in reality, it is impossible to have 100%gold, so China stipulates that the content of more than 99.6%(including 99.6%) can be called 24K gold. The K gold content is the common specifications of jewelry. The state stipulates that gold jewelry with a lower 9K cannot be called gold jewelry.
jewelry wholesalers sydney 24K
The standard for pure gold content: The method of calculating K golden colors is: color = k cause x4.166%
8K = 8x4.166%= 33.328%(gold content is 33.3%, national standards, national standards It is 333 ‰)
9K = 9x4.166%= 37.494%(the gold content is 37.5%, the national standard is 375 ‰)
10K = 10x4.166%= 41.660%(41.7%of the gold content, national standards, national standards, national standards It is 417 ‰)
12K = 12x4.166%= 49.992%(50%gold content, national standard is 500 ‰)
14k = 14x4.166%= 58.324%(58.3%of the gold content, national standards, national standards It is 583 ‰)
18K = 18x4.166%= 74.998%(75%gold content, 750 ‰ of the national standard)
20K = 20x4.166%= 83.320%(83.3%of the gold content, national standards, national standards, national standards, national standards, national standards, national standards, national standards, national standards It is 833 ‰)
21K = 21x4.166%= 87.486%(the gold content is 87.5%, the national standard is 875 ‰)
22K = 22x4.166%= 91.652% It is 916 ‰)
24K = 24x4.166%= 99.984%(the gold content is 99.9%, the national standard is 999 ‰)
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