The of the of the golden gold is higher, up to 1063 ° C, the chemical properties are very stable and will not rust. Water and alcohol will not corrode gold. Even if the separate hydrochloric acid, sulfuric acid, or nitric acid will not have a chemical reaction. However, the "king water" composed of 3 parts of hydrochloric acid and 1 part of nitric acid (calculated according to volume) can dissolve gold. After dissolving, steamed dry solution can obtain beautiful yellow needle -shaped crystals- "chlorine (chloride gold III acid)". In addition, the cyanide solution can dissolve gold, and mercury soluble gold is also used to be placed on the surface of the utensil. The mixture of selenic acid (or sulfuric acid) and sulfuric acid (or phosphate) can also dissolve gold. Under normal circumstances, the color of gold jewelry will be darkened for a long time. You can clean it with toothpaste or washed by ultrasonic waves.
Generally speaking, gold and silver jewelry is not afraid of water and wine. Wine has a cleaning effect on it, but has no corrosion effect. If afraid is the human sweat If the jewelry changes, then use toothpaste to clean it or go to the jewelry sales store for professional cleaning
Gold will not dissolve in water and alcohol. It is very stable that those friends say that the cleaning liquid used in the jewelry store to clean the jewelry shop will wash away the thin layer of gold on the surface. A very new piece of jewelry has nothing to wash. The shop can extract gold from the solution ==!
OK? After the golden time takes a long time, go to the professional jewelry store to clean it, that is, the golden luster of gold can be regarded as disinfecting gold
The
of the
of the golden gold is higher, up to 1063 ° C, the chemical properties are very stable and will not rust. Water and alcohol will not corrode gold. Even if the separate hydrochloric acid, sulfuric acid, or nitric acid will not have a chemical reaction. However, the "king water" composed of 3 parts of hydrochloric acid and 1 part of nitric acid (calculated according to volume) can dissolve gold. After dissolving, steamed dry solution can obtain beautiful yellow needle -shaped crystals- "chlorine (chloride gold III acid)". In addition, the cyanide solution can dissolve gold, and mercury soluble gold is also used to be placed on the surface of the utensil. The mixture of selenic acid (or sulfuric acid) and sulfuric acid (or phosphate) can also dissolve gold. Under normal circumstances, the color of gold jewelry will be darkened for a long time. You can clean it with toothpaste or washed by ultrasonic waves.
Generally speaking, gold and silver jewelry is not afraid of water and wine. Wine has a cleaning effect on it, but has no corrosion effect.
If afraid is the human sweat
If the jewelry changes, then use toothpaste to clean it
or go to the jewelry sales store for professional cleaning
Gold will not dissolve in water and alcohol. It is very stable that those friends say that the cleaning liquid used in the jewelry store to clean the jewelry shop will wash away the thin layer of gold on the surface. A very new piece of jewelry has nothing to wash. The shop can extract gold from the solution ==!
OK? After the golden time takes a long time, go to the professional jewelry store to clean it, that is, the golden luster of gold can be regarded as disinfecting gold