1 thought on “Is the gold oxidation and discoloration?”
Laverne
The chemical properties of gold are very stable, and it is difficult to oxidize or vulcanize reactions under normal circumstances. Golden jewelry and what contact will change color 1. Do not contact the substances containing acid and alkali, otherwise the gold jewelry will change color and dim. 2. Do not contact the oil -containing daily necessities, mercury -containing cosmetics and daily necessities, otherwise the golden jewelry will be dim or white, and the "goldcast alloy" will be generated. 3, some cosmetics or hair dye contains trace lead, and gold when it encounters the lead. 4. Do not contact and friction with metal substances such as platinum, silver, silver, aluminum, tin, mercury (mercury), or such as the contact point of the contact point. 5, part of the sweat is waste and harmful substances in the human body. After contacting the silver and copper in gold jewelry in gold jewelry, these substances will produce chemical reactions, produce silver chloride and copper sulfide, which will cause jewelry to discolor or change color or color or color or color. fade. 6. After the silver and copper in the gold jewelry are contacted, silver chloride and copper sulfide will be produced, and dark black chemical salt will be displayed. This kind of chemical salt is often dropped from gold jewelry to pollute the skin of the wearer, leaving a very obvious black stain on the skin.
The chemical properties of gold are very stable, and it is difficult to oxidize or vulcanize reactions under normal circumstances.
Golden jewelry and what contact will change color
1. Do not contact the substances containing acid and alkali, otherwise the gold jewelry will change color and dim.
2. Do not contact the oil -containing daily necessities, mercury -containing cosmetics and daily necessities, otherwise the golden jewelry will be dim or white, and the "goldcast alloy" will be generated.
3, some cosmetics or hair dye contains trace lead, and gold when it encounters the lead.
4. Do not contact and friction with metal substances such as platinum, silver, silver, aluminum, tin, mercury (mercury), or such as the contact point of the contact point.
5, part of the sweat is waste and harmful substances in the human body. After contacting the silver and copper in gold jewelry in gold jewelry, these substances will produce chemical reactions, produce silver chloride and copper sulfide, which will cause jewelry to discolor or change color or color or color or color. fade.
6. After the silver and copper in the gold jewelry are contacted, silver chloride and copper sulfide will be produced, and dark black chemical salt will be displayed. This kind of chemical salt is often dropped from gold jewelry to pollute the skin of the wearer, leaving a very obvious black stain on the skin.