antique jewelry wholesale In ancient times, people identified the authenticity of gold, why should I bite it?

wholesale silver jewelry making Bite gold is one of the ways to distinguish the authenticity of gold!

The method of identifying the authenticity of golden and false in our daily use is about the following four:

. Observation
Gold is the seven green eight yellow nine purple ten red. It means that the golden yellow gold content is 70 %, the yellow gold contains 80 %, the purple yellow gold contains 90 %, and the red yellow contains almost 100 %.

. Seeing the proportion
Gold is the largest proportion of the known material, and its proportion is 19.37. many. Those who have experience, look at the color, weigh the weight, and know one or two.

. The ratio of hardness
This is the smallest. You can bite the marks with your teeth.

. Fire burns
The real gold is not afraid of fire, burned in the flames, still golden light, other metals will be oxidized and discolored as soon as it is burned.

It, the real gold is still insoluble in a single acid (such as, hydrochloric acid, sulfuric acid).

wholesale jewelry enamel supplies The golden hardness is low, and there will be traces with a knife or bite with your teeth.
Ple the gold in the mouth and lick with the tongue for a while, and then smoke. If the jewelry is copper, the mouth has a sweet taste in the mouth, and the gold has no odor.

cheap boho jewelry wholesale Because the real gold is not bitant, there will be dental if it is fake.