There are only 999 letters on the necklace. What material is it made of
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There are only 999 letters on the necklace. What material is it made of
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there are 999 gold, 999 pure silver and 999 gold (platinum, palladium and silver)
on May 4, 2016, the regulations on the purity and nomenclature of precious metals in jewelry approved by the State Administration for standardization came into effect, which stipulates the purity of gold. Even gold jewelry with a purity of 999 ‰ can only be called "full gold" and can no longer be labeled with "thousand full gold"
on February 11, 2015, the National Standardization Administration issued and approved the No. 1 amendment to gb11887-2012 regulations on purity and nomenclature of precious metals in jewellery. The amendment deletes the purity expression method and related contents of "thousands of gold", "thousands of platinum", "thousands of palladium" and "thousands of silver", and stipulates that full gold (platinum, palladium and silver) is the highest purity of jewelry products specified in the standard
this means that the "thousand dollar gold" has been abolished in the national standard. After a 15 month transition period, the new national standard was implemented on May 4. After the implementation of the regulations, enterprises will not be allowed to appear the title of "thousands of gold" when promoting the purity of gold jewelry
before the implementation of the new national standard, some businesses actively "changed their names" for jewelry. On Caibai's price sign, the original "qianzujin" has been renamed "999 ‰" and the original "qianzuplatinum" has also been renamed "999 ‰"
in addition, the label of a single jewelry that originally marked "thousand gold" has also been changed to "full gold", and it indicates that the gold content is 999 ‰. According to the staff, since January 2016, the store has started to change the relevant logo one after another, including express, invoice, certificate, packaging, web page and many other contents
Did you buy gold or silver? It's also 999 for gold and 999 for silver. The imprint of gold jewelry includes manufacturer code, material and purity, such as X gold 990, xau990, X full gold, etc. Where, the letter X is the manufacturer code. 999 refers to the fineness of silver, which is the same as thousands of gold. 999 refers to thousands of silver, which can be recycled. There is also silver for jewelry. It says 925. Did you buy it at the authentic counter? I suggest going to regular stores. It is possible that there is a fake on the Internet. What specific materials can be identified in the silver shop. According to simple figures, it is impossible to identify the true and the false