5 thoughts on “The gold necklace will change the color over time. Why does the gold necklace become black?”
Cecil
Because gold is also metal, oxygen and sweat will corrode all metal substances. The corrosive characteristics of gold are hacking for a long time, avoiding direct contact with high volatile substances such as perfume and hair glue, otherwise it will easily cause gold decoration to fade. How to deal with it, the best way to clean the super simple solid gold jewelry is to use ammonia water. The method is to pour some pure water in a small bottle, then drop a few drops of ammonia, and put the gold jewelry in a small bottle shake a few times. Or use your own toothpaste, or you can
1. The oxidation reaction occurs in the contact with the water chain and water. If you bring the gold necklace while taking a bath, the gold necklace may have a chemical reaction with some chemicals in the shower gel or shampoo, causing golden hair. Although the environment is a relatively stable substance, in addition to gold in gold jewelry, it also contains silver or copper. These elements are easily oxidized with other substances in the outside world, which turn black. 2, the gold necklace and sweat contact have a chemical reaction. The second thing to notice is that many people do not like to take off the jewelry on their bodies while exercising. People now pay attention to health and exercise appropriately every day. The metabolism is accelerated during exercise, so it will continue to sweat. Some substances contained in our sweat can chemically react with the gold necklace, which makes the gold necklace becoming unable to shine. 3, long -term contact with cosmetics and skin care products. Makeup is a respect for people, and it can also make women look more confident and beautiful. But when we make up, it is best to take off the necklace first, and then bring the necklace up after making makeup. Because in the process of makeup, it is easy to make cosmetics and skin care products on the necklace. Some ingredients in cosmetics may also have a chemical reaction with gold, causing the gold necklace to be black. The expansion information: The maintenance of the gold necklace: 1. First store the gold jewelry alone in the jewelry box or suede, and develop the habit after finishing the habit Put it together to prevent scratches between each other. 2, regularly clean the gold jewelry. This ensures the best luster of the jewelry and is more durable. The method of cleaning gold jewelry is the same as other valuable jewelry; the jewelry cleaner sold on the market, or immersed it in a solution of soap and drowns, and then gently wipe it with a soft cloth.
3. For gold jewelry alum inlaid, it takes every six months to clean. The jewelry dealers are adjusted, corrected, polished, and cleaned by the qualified jewelry dealers. In order to professional maintenance of your gold, we must first ensure that the jewelry dealer has a trained gold fitter. 4. If there is scratches visible to the naked eye, please bring the gold jewelry to the qualified jewelry dealer for polishing. All valuable metals may leave scratches, and gold is no exception. If this happens, bring platinum jewelry to the qualified jewelry dealers to re -polish them to produce extremely bright effects. 5. When conducting housework, gardening, and other types of heavy work or physical activity, please do not wear gold accessories. Because women are easily exposed to bleaching or irritating chemicals when wearing gold jewelry. Although they do not harm gold, chemicals may change diamonds or gems. 6. It is best not to wear or reduce the time of wearing gold jewelry in summer, because often sticking or soaking in sweat will make blond hair black, and some women will cause itching or allergic symptoms for this reason. Reference materials Source: Baidu Encyclopedia-Gold Necklace Reference materials Source: Baidu Encyclopedia-necklace
Gold necklace and sweat contact a chemical reaction. Callow jewelry to become dark. The sweat of the human body cannot be removed. In summer, the color changes in jewelry will be more than winter. This is because the human body metabolism is fast in summer. , Like chlorine substitutes, urea ammonia, etc. This of these elements and gold jewelry BOC or copper contact occur in a chemical reaction, which will produce silver chloride and copper sulfide, and there will be accompanied by dark black chemical salt. Gold necklace became no shiny.
The expansion information: The maintenance of gold jewelry: 1, first store the gold jewelry in the jewelry box or suede, and develop it if you are used to it. Other jewelry is thrown together to prevent scratches between each other. 2. Place your precious jewelry in a safe place and buy enough insurance. If you do n’t know much about your jewelry value, please give a valuation to the local jewelry dealers. 3, regularly clean the gold jewelry. This ensures the best luster of the jewelry and is more durable. The method of cleaning gold jewelry is the same as other valuable jewelry; the jewelry cleaner sold on the market, or immersed it in a solution of soap and drowns, and then gently wipe it with a soft cloth. 4, for the gold jewelry alum inlaid, it takes every six months to clean. The jewelry dealers are adjusted, corrected, polished, and cleaned by the qualified jewelry dealers. In order to professional maintenance of your gold, we must first ensure that the jewelry dealer has a trained gold fitter. 5. If the scratches visible to the naked eye appear, bring the gold jewelry to the qualified jewelry dealer for polishing. All valuable metals may leave scratches, and gold is no exception. However, natural oxidation layers will appear on the surface of the gold, so many people may prefer the surface that has just been polished. If this happens, bring your platinum jewelry to the qualified jewelry dealers and let them re -polish it to produce extremely bright effects. 6. When conducting housework, gardening, and other types of heavy work or physical activity, please do not wear gold accessories. Because women are easily exposed to bleaching or irritating chemicals when wearing gold jewelry. Although they do not harm gold, chemicals may change diamonds or gems. 7. It is best not to wear or reduce the time of wearing gold jewelry in summer, because often sticking or soaking in sweat will make blond hair black, and some women will cause itching or allergic symptoms for this reason. Reference information Source: Baidu Encyclopedia_nesses
If you are real gold, then the current situation may be ... you will understand if you look at it!
Plores after wearing gold jewelry for a period of time, they found discoloration or fading. Many people think that this is the insufficient color of gold jewelry. question. So, what is the reason to cause gold jewelry to change color or fade unexpectedly?
Wang Naizhu, Secretary -General of the Baoyu Stone Association of Fujian Province, told reporters that the discoloration or fading of gold jewelry is closely related to the human sweat. 99 % of human sweats are water, and about 1 % are waste and harmful substances in the human body, such as chlorine substitutes, lactic acid, urea ammonia, etc. After contacting the silver and copper in gold jewelry in gold jewelry, chemical reactions will occur, producing silver chloride and copper sulfide, and showing dark black chemical salt. These chemical salts are often dropped from gold jewelry, contaminating the skin of the wearer, leaving very obvious black stains on the skin. On the skin of the jewelry, the opportunity of cosmetics containing chemicals and the golden jewelry that is most afraid of chemical erosion will be discussed, causing discoloration. Some cosmetics also contain some fine hard particles, which can form another type of dirt, thereby wear gold jewelry.
Gold maintenance tips
gold jewelry is not very delicate, but if you do not care carefully, it will also lose its original gloss and charm. Generally speaking, beware of the following points:
1, the chemicals of cleaning essence will change the color of the gold, so you should take off the gold jewelry before doing cleaning.
2. Avoid contact with high volatile substances such as perfume and glue directly, otherwise it will easily cause gold decoration to fade.
3, the gold decoration should be removed when swimming to avoid chemical changes in the surface layer after encountering seawater or pool water.
4. Put the velvet cloth and put it in the jewelry box when storage to avoid friction and damage to each other.
5, gold is soft and easy to deform, so do not pull the necklace and other accessories to avoid deformation.
6. Pure gold jewelry will have a chemical reaction when it encounters water and silver. White spots appear. When cleaning, you can restore the original color as long as you grill under the alcohol lamp for a while.
7. The gold jewelry after wearing is often lost due to stains and dust stains. At this time, as long as the gold decoration is placed in the neutral detergent, Just do it.
Because gold is also metal, oxygen and sweat will corrode all metal substances. The corrosive characteristics of gold are hacking for a long time, avoiding direct contact with high volatile substances such as perfume and hair glue, otherwise it will easily cause gold decoration to fade. How to deal with it, the best way to clean the super simple solid gold jewelry is to use ammonia water. The method is to pour some pure water in a small bottle, then drop a few drops of ammonia, and put the gold jewelry in a small bottle shake a few times. Or use your own toothpaste, or you can
1. The oxidation reaction occurs in the contact with the water chain and water.
If you bring the gold necklace while taking a bath, the gold necklace may have a chemical reaction with some chemicals in the shower gel or shampoo, causing golden hair. Although the environment is a relatively stable substance, in addition to gold in gold jewelry, it also contains silver or copper. These elements are easily oxidized with other substances in the outside world, which turn black.
2, the gold necklace and sweat contact have a chemical reaction.
The second thing to notice is that many people do not like to take off the jewelry on their bodies while exercising. People now pay attention to health and exercise appropriately every day. The metabolism is accelerated during exercise, so it will continue to sweat. Some substances contained in our sweat can chemically react with the gold necklace, which makes the gold necklace becoming unable to shine.
3, long -term contact with cosmetics and skin care products.
Makeup is a respect for people, and it can also make women look more confident and beautiful. But when we make up, it is best to take off the necklace first, and then bring the necklace up after making makeup. Because in the process of makeup, it is easy to make cosmetics and skin care products on the necklace. Some ingredients in cosmetics may also have a chemical reaction with gold, causing the gold necklace to be black.
The expansion information:
The maintenance of the gold necklace:
1. First store the gold jewelry alone in the jewelry box or suede, and develop the habit after finishing the habit Put it together to prevent scratches between each other.
2, regularly clean the gold jewelry. This ensures the best luster of the jewelry and is more durable. The method of cleaning gold jewelry is the same as other valuable jewelry; the jewelry cleaner sold on the market, or immersed it in a solution of soap and drowns, and then gently wipe it with a soft cloth.
3. For gold jewelry alum inlaid, it takes every six months to clean. The jewelry dealers are adjusted, corrected, polished, and cleaned by the qualified jewelry dealers. In order to professional maintenance of your gold, we must first ensure that the jewelry dealer has a trained gold fitter.
4. If there is scratches visible to the naked eye, please bring the gold jewelry to the qualified jewelry dealer for polishing. All valuable metals may leave scratches, and gold is no exception. If this happens, bring platinum jewelry to the qualified jewelry dealers to re -polish them to produce extremely bright effects.
5. When conducting housework, gardening, and other types of heavy work or physical activity, please do not wear gold accessories. Because women are easily exposed to bleaching or irritating chemicals when wearing gold jewelry. Although they do not harm gold, chemicals may change diamonds or gems.
6. It is best not to wear or reduce the time of wearing gold jewelry in summer, because often sticking or soaking in sweat will make blond hair black, and some women will cause itching or allergic symptoms for this reason.
Reference materials Source: Baidu Encyclopedia-Gold Necklace
Reference materials Source: Baidu Encyclopedia-necklace
Gold necklace and sweat contact a chemical reaction.
Callow jewelry to become dark. The sweat of the human body cannot be removed. In summer, the color changes in jewelry will be more than winter. This is because the human body metabolism is fast in summer. , Like chlorine substitutes, urea ammonia, etc.
This of these elements and gold jewelry BOC or copper contact occur in a chemical reaction, which will produce silver chloride and copper sulfide, and there will be accompanied by dark black chemical salt. Gold necklace became no shiny.
The expansion information:
The maintenance of gold jewelry:
1, first store the gold jewelry in the jewelry box or suede, and develop it if you are used to it. Other jewelry is thrown together to prevent scratches between each other.
2. Place your precious jewelry in a safe place and buy enough insurance. If you do n’t know much about your jewelry value, please give a valuation to the local jewelry dealers.
3, regularly clean the gold jewelry. This ensures the best luster of the jewelry and is more durable. The method of cleaning gold jewelry is the same as other valuable jewelry; the jewelry cleaner sold on the market, or immersed it in a solution of soap and drowns, and then gently wipe it with a soft cloth.
4, for the gold jewelry alum inlaid, it takes every six months to clean. The jewelry dealers are adjusted, corrected, polished, and cleaned by the qualified jewelry dealers. In order to professional maintenance of your gold, we must first ensure that the jewelry dealer has a trained gold fitter.
5. If the scratches visible to the naked eye appear, bring the gold jewelry to the qualified jewelry dealer for polishing. All valuable metals may leave scratches, and gold is no exception. However, natural oxidation layers will appear on the surface of the gold, so many people may prefer the surface that has just been polished. If this happens, bring your platinum jewelry to the qualified jewelry dealers and let them re -polish it to produce extremely bright effects.
6. When conducting housework, gardening, and other types of heavy work or physical activity, please do not wear gold accessories. Because women are easily exposed to bleaching or irritating chemicals when wearing gold jewelry. Although they do not harm gold, chemicals may change diamonds or gems.
7. It is best not to wear or reduce the time of wearing gold jewelry in summer, because often sticking or soaking in sweat will make blond hair black, and some women will cause itching or allergic symptoms for this reason.
Reference information Source: Baidu Encyclopedia_nesses
If you are real gold, then the current situation may be ... you will understand if you look at it!
Plores after wearing gold jewelry for a period of time, they found discoloration or fading. Many people think that this is the insufficient color of gold jewelry. question. So, what is the reason to cause gold jewelry to change color or fade unexpectedly?
Wang Naizhu, Secretary -General of the Baoyu Stone Association of Fujian Province, told reporters that the discoloration or fading of gold jewelry is closely related to the human sweat. 99 % of human sweats are water, and about 1 % are waste and harmful substances in the human body, such as chlorine substitutes, lactic acid, urea ammonia, etc. After contacting the silver and copper in gold jewelry in gold jewelry, chemical reactions will occur, producing silver chloride and copper sulfide, and showing dark black chemical salt. These chemical salts are often dropped from gold jewelry, contaminating the skin of the wearer, leaving very obvious black stains on the skin. On the skin of the jewelry, the opportunity of cosmetics containing chemicals and the golden jewelry that is most afraid of chemical erosion will be discussed, causing discoloration. Some cosmetics also contain some fine hard particles, which can form another type of dirt, thereby wear gold jewelry.
Gold maintenance tips
gold jewelry is not very delicate, but if you do not care carefully, it will also lose its original gloss and charm. Generally speaking, beware of the following points:
1, the chemicals of cleaning essence will change the color of the gold, so you should take off the gold jewelry before doing cleaning.
2. Avoid contact with high volatile substances such as perfume and glue directly, otherwise it will easily cause gold decoration to fade.
3, the gold decoration should be removed when swimming to avoid chemical changes in the surface layer after encountering seawater or pool water.
4. Put the velvet cloth and put it in the jewelry box when storage to avoid friction and damage to each other.
5, gold is soft and easy to deform, so do not pull the necklace and other accessories to avoid deformation.
6. Pure gold jewelry will have a chemical reaction when it encounters water and silver. White spots appear. When cleaning, you can restore the original color as long as you grill under the alcohol lamp for a while.
7. The gold jewelry after wearing is often lost due to stains and dust stains. At this time, as long as the gold decoration is placed in the neutral detergent, Just do it.
The gold necklace will turn black mainly because of the oil dirt on the surface, and these things produce black substances by oxidation by air.