Gold (1092.23, 2.47, 0.23%) jewelry will be used in the production process or welding solder, some joints will be replaced with other metals such as copper, will these accessories reduce the gold content of gold jewelry? In fact: the solder also talks about "gold content", the threshold is not low.
There are clear standard requirements for the use of welded materials. The purity of the gold jewelry is evaluated according to the overall gold content of the jewelry. According to the state regulations, the purity of jewelry accessories materials should be consistent with the main body. For the strength and flexibility, gold jewelry with a gold content of not less than 916 , should not be less than 900 å«. To put it simply, the quality of the jewelry is degraded due to insufficient gold content of the accessories. The jewelry cannot be called a gold jewelry, and the copper fittings are not counted in the weight of the gold.
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