dream catcher jewelry wholesale How to query the golden barcode of the old temple

hamilton gold hawaiian jewelry wholesale There should be anti -counterfeit codes. : And even at the high temperature of 1000C, pure gold will not melt or fade, and it starts melting when it is 1063C. Methods for the authenticity of the golden or
to identify the authenticity of the golden temples:

1, the gravity method
"inch gold" also. But this proportion method is most effective for identifying 24K gold. The gravity is similar to gold, plating or gold. There is a problem with product recognition because the proportion of counterfeit products is similar to real gold.

2, ductility

The more pure gold is, the better the ductility. If you touch it with pure gold, you must feel very soft. At this time, the color is at least 95 %.

3, melting point method

commonly known as "real gold is not afraid of fire", "fire see real gold". Gold has a high melting point, and even at the high temperature of 1000C, pure gold will not melt or fade, and it starts melting when it is 1063C. The inferior K gold or gold -plated gold -plated materials are burned into red in the fire, and then it usually changes color or even black after cooling.
The anti -counterfeit code. : And even at the high temperature of 1000C, pure gold will not melt or fade, and it starts melting when it is 1063C. Put the inferior K gold or