If you are really worried, I suggest you go to a bigger brand to buy it.
How to judge the authenticity of gold
First of all, we need to know the work of gold. Gold is not made of copper or iron.
If the gold jewelry you buy is firmly attracted by the magnet, then 100% can say that such gold jewelry is not pure gold.
However, some fake gold can't attract magnets, but it doesn't rule out real gold jewelry. You need to try the thickest part of gold jewelry.
Because the weight of a gram of gold jewelry is very expensive, such as a gold jewelry necklace, we use magnets to adsorb it at the thickest position of the gold jewelry necklace.
# Use unglazed ceramic cups #
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First, drag your jewelry into an unglazed ceramic version. Please note that if your gold jewelry is real gold;
Then a golden stripe will be left on the unglazed ceramic disk. If it is fake, the golden stripe will turn black.
# React with nitric acid #
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The last method is expensive. Gold has stable chemical properties and strong corrosion resistance, which is also the method used by most jewelers in their own internal tests. The operation method is simple.
Let's take a drop of nitric acid and drop it on the gold ornaments to see if there is any reaction.
If nitric acid produces a green reaction after dripping nitric acid on gold jewelry, it is a fake. If nitric acid drops on gold jewelry, the reaction is milky white, which means that this gold jewelry may be gold-plated pure silver, not real gold jewelry.
If nitric acid drops on the gold jewelry and there is no chemical reaction, it means that your gold jewelry is real gold.
Shandong International Jewelry Trading Center is located in the southeast corner of Yanshan Overpass, which is the south neighbor of the former Wanjialong Supermarket.
You can take bus No.77 and get off at Daguanyuan Station, then transfer to bus No.49 and get off at Economic College Station. Just go east.
You can take bus No.26, get off at Kongcun Community Station, and then transfer to bus No.26.. K96, get off at the "School of Economics" station and walk a little further east.
You can take bus No.77, get off at the west exit of Dikou Road, and then transfer to bus 10. K 107 get off at the "School of Economics" station and just go east.