The beauty of golden yellow can be compared with the sun. The steam emitted when the gold is melted is green; its gold powder is usually brown during the smelting process; if it is cast into a thin piece, it can transmit green light. Pure gold has gorgeous yellow, but after incorporating other metals, the color changes greatly. For example, gold and copper alloy are dark red, and the silver alloy is light yellow or gray -white. Jin Yi was grinded into powder, which is why Jin is scattered in nature. Pure gold jewelry is also easily worn and reduced. Natural gold sometimes covers a layer of iron oxide film. In this case, the color of gold may be brown, dark brown, and even black.
Pay content for time limit to check for freenThe color of the pure gold is shiny dark yellow and thick yellow. The hardness of the gold is 2-3, the pure gold is 19.3, and the melting point is 1064.4 ° C; it has good ductility and can be pressed into thin foil. It has extremely high heat transfer and conductivity. The resistance of pure gold is 2.4P. Pure gold has good anti -chemical corrosion and is the best electroplating material. Pure gold has gorgeous yellow, but after incorporating other metals, the color changes greatly. For example, gold and copper alloy are dark red, and the silver alloy is light yellow or gray -white. Jin Yi was grinded into powder, which is why Jin is scattered in nature. Pure gold jewelry is also easily worn and reduced.
The beauty of golden yellow can be compared with the sun. The steam emitted when the gold is melted is green; its gold powder is usually brown during the smelting process; if it is cast into a thin piece, it can transmit green light. Pure gold has gorgeous yellow, but after incorporating other metals, the color changes greatly. For example, gold and copper alloy are dark red, and the silver alloy is light yellow or gray -white. Jin Yi was grinded into powder, which is why Jin is scattered in nature. Pure gold jewelry is also easily worn and reduced. Natural gold sometimes covers a layer of iron oxide film. In this case, the color of gold may be brown, dark brown, and even black.
Yellow
Pay content for time limit to check for freenThe color of the pure gold is shiny dark yellow and thick yellow. The hardness of the gold is 2-3, the pure gold is 19.3, and the melting point is 1064.4 ° C; it has good ductility and can be pressed into thin foil. It has extremely high heat transfer and conductivity. The resistance of pure gold is 2.4P. Pure gold has good anti -chemical corrosion and is the best electroplating material. Pure gold has gorgeous yellow, but after incorporating other metals, the color changes greatly. For example, gold and copper alloy are dark red, and the silver alloy is light yellow or gray -white. Jin Yi was grinded into powder, which is why Jin is scattered in nature. Pure gold jewelry is also easily worn and reduced.