The method of identification gold is as follows: 1, the bite method, the gold can be used to use the teeth. Gold is a very soft metal. The golden hardness with high purity is low. If the golden color of gold is low, the other metal content is high, and the hardness will be relatively large. 2, the fire burning method, in addition, the identification gold can also be burned with fire. After the high color gold is burned with fire, it will not change color, and the color will become better and better. Due to the high content of other metals, the color difference of gold will turn black and discolorize after the fire burns, and the gloss will also deteriorate. 3, hand oscillating method, gold can also be identified by hand oscillating. Gold is the largest proportion of metal, and its proportion is 19:37. a lot of. When you put gold in your hands, you will have a strong feeling.
The method of identification gold is as follows:
1, the bite method, the gold can be used to use the teeth. Gold is a very soft metal. The golden hardness with high purity is low. If the golden color of gold is low, the other metal content is high, and the hardness will be relatively large.
2, the fire burning method, in addition, the identification gold can also be burned with fire. After the high color gold is burned with fire, it will not change color, and the color will become better and better. Due to the high content of other metals, the color difference of gold will turn black and discolorize after the fire burns, and the gloss will also deteriorate.
3, hand oscillating method, gold can also be identified by hand oscillating. Gold is the largest proportion of metal, and its proportion is 19:37. a lot of. When you put gold in your hands, you will have a strong feeling.