1, natural oxidation, not often worn, no matter after taking off, casually put, silver will combine with sulfur dioxide in the air to have a natural oxidation reaction;
2. Sweat secreted by people with acidic constitution makes silver ornaments easy to turn black and yellow;
3. Contact cosmetics, because cosmetics contain lead, mercury and sulfur. If the content exceeds the standard, silver ornaments will generate black silver sulfide;
4, eggs will produce hydrogen sulfide, contact with eggs will also make silver jewelry black and yellow.
Solution:
(1) Wipe with cotton dipped in white vinegar, black silver sulfide will dissolve in ester acid, and silver jewelry will glow again.
(2) Wipe with alcohol or sodium carbonate, and the effect is also very good.
(3) Wash the surface of ornaments with detergent, then with sodium thiosulfate solution (prepared by adding 20g sodium thiosulfate into 100g water), and then with clean water.
Question 2: What should I do if the silver ornaments turn yellow? Yellowing is caused by oxidation of silver ornaments. The following treatment methods are provided for your reference.
1. You can try to wipe off the slight black oxide on the silver surface with a drawing eraser.
2. You can try to apply a little toothpaste to the surface of the silver jewelry, then scrub it with a toothbrush dipped in warm water, and finally dry it with a soft woolen cloth.
3. When the surface of the silver ornament is slightly discolored due to slight corrosion, you can gently wipe it with detergent or hot medium soap, brush it with a soft brush first, and then dry it with a soft woolen cloth. At this time, the silver ornaments will show their original brightness.
4. Wash with washing powder and warm water, then wet the surface with phosphoric acid solution, and then wipe it with flannel, which can make the silver ornaments cleaner.
5. Silver ornaments are light brown after oxidation, which can be wiped with a soft cloth dipped in a little silver oil, or soaked in silver washing water, or directly wiped with silver cloth.
6. soak the silver ornaments in silver washing water for a while, then take them out and rinse them with clear water.
7. Using silver cloth is one of the fastest and most convenient methods. Silver cloth contains silver maintenance ingredients and cannot be washed. The stain produced by wiping is silver and can be used many times.
8. Exquisite three-dimensional silver jewelry, avoid deliberate polishing.
9. Silver ornaments will darken easily if they are not sealed or wiped frequently.
10. The best way to maintain silver ornaments is to wear them every day, because human oil can make silver produce natural and moist light.
Question 3: Why does sterling silver jewelry turn yellow easily? You are made of silver alloy with copper in it. It's 925. The surface layer is gone. Pure silver is the only one that won't turn yellow. Pure silver is not as bright as 925 (because there is no electroplating). 20 yuan can send electroplating 18K platinum.
Question 4: What happened to the yellowing of the silver bracelet after wearing it for a while? Discoloration is oxidation, which is normal and has nothing to do with your health or luck.
Either wipe it with toothpaste yourself or send it to the place where the buyer rings, which will usually help you with after-sales service.
With the decrease of silver content in silver jewelry, its hardness increases to meet the needs of various colors, styles and inlaid jewelry. Besides the advantages of beautiful color and reasonable price, it should be noted that silver jewelry will turn black if worn for a long time. This is because silver reacts with sulfur in the air to produce black silver sulfide, which affects the appearance. If it has been oxidized and blackened, it can be dipped in silver washing water or wiped with a silver cloth. You can also scrub with a soft brush dipped in toothpaste and dry it with cotton cloth after washing.
1. Wipe it clean and put it away.
If you don't wear sterling silver jewelry for a long time, you must wipe it clean with a soft cloth to avoid leaving sweat stains on the jewelry and causing corrosion, and then put it in a sealed bag or packaging box to isolate the air and prevent the silver jewelry from turning yellow and black.
Don't touch these things
Never wear sterling silver jewelry when soaking in hot springs or playing with water at the seaside, and avoid contact with chemical solutions, otherwise chemical reactions will occur to blacken your sterling silver jewelry.
Restore bright colors
You can wipe the glossy surface, carved surface or irregular surface of silver ornaments with silver cloth. You can brush it gently with a soft toothbrush with a little toothpaste. After brushing, let the foam adhere to the silver jewelry for about one minute, and then rinse it with clear water. After drying with a soft cloth, you will find that your beloved silver jewelry has regained its beautiful color.
4. Don't use silver washing water
Try not to use silver washing water to clean sterling silver ornaments, because it will corrode the surface of sterling silver. Although it will soon restore its brightness, it will soon turn yellow and black. And every time the silver washing water is used, it will corrode the silver ornaments again. For beloved silver ornaments, pay attention to the use of silver wipes.
Question 5: What should I do if the silver ornaments turn yellow? Tips for silver maintenance: Silver and gold can't be worn together, which will cause silver to turn yellow. Of course, even if different fashions are used for a long time, silver ornaments will still oxidize and change color, whether or not they are electroplated! Therefore, friends who love silver ornaments must learn how to maintain pure silver, extend the bright time and learn how to restore the bright color of silver oxide products. Primary colors, polished surfaces, the simplest. Just wipe it with a silver cloth. If there are cracks in the unpolished surface, it can be cleaned with silver water. Maintenance suggestion: ① Don't wear other precious metal jewelry when wearing 925 sterling silver jewelry to avoid collision, deformation or wear. (2) avoid 925 sterling silver jewelry contact with water vapor and chemicals, avoid swimming with it, especially in the sea. ③ After wearing 925 sterling silver jewelry every day, wipe it clean with cotton cloth and put it in a jewelry box or bag for sealed preservation. ④925 sterling silver jewelry has been oxidized and blackened, so it can be brushed with a soft brush dipped in toothpaste; You can also wash it with soap or detergent by hand; If it is really impossible to clean, it can only be cleaned with silver washing water; 925 sterling silver jewelry should be dried with cotton cloth after washing.
Avoid contact with chemicals such as acid and alkali.
Please wear jewelry after wearing perfume and hairdressing products.
When taking a bath, you should take off your ornaments and avoid contact with shower gel, soap and other supplies.
Please take off your jewelry when you sleep and avoid wearing it overnight. Your hair will be entangled in jewelry.
Sweat of human body will corrode silver jewelry, so it is best to wash it with clear water after wearing it in summer and keep it dry.
Sterling silver is soft, so it should be treated with care on weekdays to avoid rubbing against hard ornaments.
After each wear, please wipe the ornaments with a soft cloth.
Store it in a jewelry box and put it in a dark place.
Question 6: What should I do if pure silver turns yellow? You can clean it with toothpaste, wipe it with silver cloth, or clean it with silver washing liquid. It is a very effective cleaning method!
What should I do after the silver hair of question s925 turns yellow? If the silver ornaments show signs of turning yellow, the easiest way is to gently wash the surface with toothpaste (fluoride-free) and some water. Or use a small jewelry brush to clean up the fine seams of the silver ornaments, and then gently wipe the surface with a silver cloth, and the original aesthetic feeling of the ornaments can be restored immediately. (If the silver cloth can restore about 80% to 90% of silver, don't use silver lotion and silver washing water, because they are corrosive to some extent, and silver ornaments are more likely to turn yellow after using these products. In addition, silver cloth contains silver maintenance ingredients and cannot be washed with water. ) If the silver ornaments are seriously yellow, it is not advisable to soak them in silver washing water for too long, usually for a few seconds. Wash it with clean water immediately after taking it out, and then blot it with paper towels. The chemical properties of silver are not as stable as platinum and gold, and it is often oxidized to black or yellow by water or other chemicals in the air, losing its luster. So pay attention to maintenance: 1. The best way to maintain silver jewelry is to wear it every day, because human oil can produce a natural and moist luster. 2. Don't wear other precious metal jewelry when wearing silver jewelry to avoid collision, deformation or wear. Keep the silver ornaments dry, don't wear them to swim, and don't go near hot springs and seawater. 4. If you plan not to wear it for a long time, you can gently wipe the surface with cotton cloth or paper towel to remove moisture and dirt, and then store it in a sealed bag to avoid contact with air. 5, including the exquisite three-dimensional carving of silver ornaments, to avoid deliberate polishing.
Question 8: Why do silver bracelets turn yellow when worn for a long time? The reason why the silver bracelet turns yellow after being worn for a long time:
1: It will oxidize and turn yellow when exposed to air for a long time, and will revert to silver when exposed to alkali.
2. Silver will turn yellow when exposed to acidic substances for a long time, and the sweat generated when wearing bracelets is
Acidic substances, so the bracelet turns yellow.
Wear the silver bracelet on your left hand as much as possible, so as to protect it from harm. Because the right hand is too hard, friction will damage the bracelet, so try to wear it on the left hand.
Question 9: Why do silver ornaments turn yellow? Generally speaking, silver jewelry will turn yellow and black. Without silver jewelry, it can be said that it will never turn yellow and black.
In fact, the reason why silver ornaments turn black is not the oxidation of silver, but the vulcanization of gallbladder, and the reaction between sulfur and silver produces compounds of sulfur and silver.
So wear silver ornaments, avoid hot springs and avoid contact with seawater;
In addition, all kinds of shampoos and shower gels may also make silver jewelry black when taking a bath.
Question 10: What happened to silver hair and yellow hair? Silver ions contained in silverware have bactericidal effect, but silver ornaments worn outside the body are not so effective on human body. Silver is an unstable element, which easily reacts with sulfur, leading to blackening. Human sweat contains a lot of sulfur, which will work when it comes into contact with silver ornaments. Moreover, if people are in some polluted environments and there are many compounds such as acid gas, hydrogen sulfide and nitric oxide in the air, the silver ornaments will turn black. Even under normal circumstances, the surface of silver jewelry will be oxidized and the color will become dull after being worn for about half a year.
The silver ornaments were oxidized and blackened. You can use a soft brush dipped in toothpaste, or you can use soap or detergent to clean it. It's really not clean before washing with silver washing water. After cleaning, the silver ornaments should be dried with cotton cloth.