canadian jewelry wholesale Please buy the gold of Zhonghui Jewelry and then identify it! Thank you
It this time 3.15 exposed Zhou Dasheng's gold. I just want to know if Zhonghui has used "铱" instead of gold fraud!
4 thoughts on “canadian jewelry wholesale Is there a fake gold in Zhonghui Jewelry?”
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cheap wholesale bulk lot jewelry The golden stores sell gold are true and reliable. You can identify the gold of Zhonghui Jewelry.
The accurate identification of gold jewelry in accurate commonly used common methods.
(1) Testing gold stone method: Select the black test gold stone with delicate texture, use the standard gold medal (pair gold medal) with different gold content (on the gold medal), and then draw the gold jewelry sample you want to identify Sales, remove the impurities with concentrated nitric acid, and find out the traces left on the test gold stones compare with the traces of the tested slices that are drawn, and find the same color as the jewelry sample. The accurate gold content of the sample.
(2) Chemical method: also known as reagent test method. Gold is insoluble in separate nitric acid, sulfuric acid, and hydrochloric acid, and silver and copper ingredients can be dissolved with nitric acid. Take gold decorative sample. Putting nitric acid on a certain part, if gold will not change color, if it is silver products, it will generate silver oxide and turn black; For gold jewelry with a gold content of more than 95 %, test with nitric acid, the surface changes very small.
anna beck jewelry wholesale This issue has been hot recently. At present, there are many jewelry brands on the market. Consumers need to recognize the category of the purchased ornaments. The true and false saying is the same thing. It mainly depends on the other party's test label and detection information. According to personal understanding, Zhonghui Jewelry should be the independent brand of Chongqing in Sichuan.
diamond jewelry wholesale suppliers Gold adulteration is recognized in this industry, haha
wholesale jewelry market in india The key is how much is adulterated! Big brands are generally not available, small brands are hard to say