How to clean the silver necklace is black

Silver is a silver -white metal, which is loved by consumers because of good ductility. Many jewelry necklaces are made of silver. However, because of the unstable nature of silver, the following is the method of cleaning the silver necklace that I have collected for everyone. It is for reference only. I hope to help everyone.
The cleaning method of silver necklace turning black
silver is a relatively lively metal. Sulfur and oxide in air and other natural media have a certain corrosion effect on silver, because oxidized oxidation Both silver and silver sulfide are black, so after the silver jewelry is placed or worn for a period of time, there will be some tiny dark spots (silver oxide) or black film (sulfide film). The diffusion of the black film, the silver jewelry slowly changes color, and it even becomes black. This is why the silver jewelry we see becomes black, so it is a normal natural phenomenon that the silver jewelry becomes black. Now we know that the silver head jewelry turns black because of some substances in the air caused by a chemical reaction. Therefore, the general flushing cannot remove the black surface of the silver jewelry surface.
The silver jewelry cleaning after turning black mainly has two methods: physics and chemistry.
The principle of physical whitewashing method is to use small particles in the medium to remove the oxide film on the surface of the silver jewelry, which is equivalent to peeling a layer of skin on the silver jewelry.
The specific methods are:
1. Wipe with toothpaste and toothbrush.
2. Apply lipstick to the cloth and then wipe the silver jewelry, and finally rinse with water.
3. Apply it with a modified liquid on the silver jewelry. Wipe the silver jewelry with cloth before the modification liquid.
The chemical whitewashing method is relatively simple. The principle is to destroy the oxide film on the surface of the silver jewelry through the reaction of chemistry. In the relatively physical method, the chemical method is relatively simple, and the silver jewelry will no longer be silver jewelry. Rent scratches, which is more suitable for our use in daily life.
The specific method:
1. Soaked with Coca -Cola, cola contains carbonate, and the soaking time is 12 hours.
2. Wipe with vinegar for boiled vegetables, and vinegar contains acetic acid.
3. Soaked with tea separated by night.
4. Wipe it with silver cloth. The chemical composition of removing silver oxide on the silver cloth.
5. Use the silver water washing water for one to two minutes, and then rinse it with a lot of water. You can find it in Taobao's sailing network mall, a professional collection products store.
The cleaning method of silver necklace turning black
In the silver necklace becomes black, how to clean it? The silver necklace becomes black after a period of use. After turning black, the silver necklace is not good -looking. Below I introduce some silver necklaces to black cleaning. Users who like to wear silver jewelry can take a look.
1. When buying a silver necklace, you will send a silver cloth, or buy one back to the place where the silver jewelry is sold. You have to shine again.
2. You can use vinegar or thick tea to scrub the black necklace that turns black. After washing for a while, the black necklace can be washed.
3. Use a small towel, dip the seasoning sour vinegar, wipe the oxidized silver necklace, and scrub it back and forth. Slowly oxidize the color will disappear
. Soak it with silver washing water. It should not be too long. The corrosion capacity of silver water is very strong. Generally, the oxidized silver necklace is soaked for one minute. After using silver water, the luster of the necklace can basically return to the time of just bought.
5. Squeeze the daily brushing toothpaste to the soft toothbrush, brush back and forth the oxidized silver necklace, pay attention not to dip the water when brushing, let alone wash it while rinse the faucet, and quickly wash it.
6. The cola we drink can also clean the silver necklace. Put the oxidized silver necklace and soak it. The time is about 12 hours. After soaking, take the necklace out and wash it with water.
How to clean the silver necklaces
Ol silver necklace becomes black? In fact, there are many ways to clean the silver necklaces. Let me take some ways to clean the silver necklace.
1. Use tin foil
In a piece of tin foil, put the silver necklace into the tin foil, sprinkle some salt inside until you can cover the silver trim. Then use tin foil to wrap the silver or salt together. Put it into a container. Pour hot water in the container. Pay attention to slowly falling around the tin foil when pouring water. After pouring water, soak for about 30 minutes.
2. Use silver cloth
If you feel trouble, you can buy a silver cloth directly. The silver shop is generally available, and the price is relatively cheap. Generally, the silver cloth is added with polishing powder and decontamination, and it can be cleaned directly by wiping the silver jewelry. And a better piece of silver cloth can be used repeatedly for about 2 years.
3. Brase
It 2 grams of salt, 7 grams of baking soda, and 8 grams of bleaching powder. Add 60 ml of water to mix and stir well. Then put the silver jewelry into the stirred water. After waiting for an hour or two. The black stains on the surface of the silver necklace will disappear.
4. Alcohol or ammonia
This is scrubbed with alcohol or ammonia to reflect the black oxides. You can wipe the silver necklace surface in a while. Very simple and convenient.
The cleaning method of silver necklace turning black 3
Why do silver necklace turn black? After using the silver necklace for a period of time, the surface will gradually turn black. Many users do not know why the silver necklace becomes black. In fact, the silver necklace becomes black is a manifestation of a chemical reaction.
It silver is an unstable element, which is easy to have chemical effects with sulfur, leading to blackening. Human sweat contains a lot of sulfur, and contact with silver jewelry will have a effect.
and if people are in some contaminated environments, when there are many compounds such as acidic gas, hydrogen sulfide, and nitric oxide in the air, the silver decoration will become black. Even under normal circumstances, the silver jewelry is wearing about half a year, the surface will be oxidized, the color becomes dim and loses its luster.
It silver's chemical properties are not as stable as platinum and gold, and react with sulfur in the air to generate black sulfide. Therefore, silver jewelry cannot be in contact with perfume, fragrance, bastard, sulfur soap, and sweat and acid town gas.
S silver is a lively metal, which is easy to react with external elements to change color. Secondly, the purity of silver has a lot to do. First of all, the chemical nature of silver determines that the chemical properties of silver are not as stable as gold or platinum, and the surface of the silver necklace that has not been treated on the surface is extremely easy to lose its original luster due to oxidation or strong light irradiation.
why does the silver necklace become black
silver necklace becomes black. Use silver cloth, toothpaste, cola, vinegar, etc. You can easily clean the cash and cash chain. Silver cloth
It silver bracelets turning black. Generally, when buying a silver necklace, you will send a silver cloth, or buy one back to the place where the silver jewelry is sold. It will soon become shining again.
The method of oxidation and cleaning of silver necklaces 2: Toothpaste
The toothpaste that brushed daily brushes to a soft toothbrush, brushed the oxidized silver necklaces back and forth, pay attention to the water when brushing, let alone put it on the side of the water faucet and rinse the side while rinse the side. Brush, soon the necklace becomes as bright as the newly bought.
This necklace oxidation and cleaning method 3: Coke
It can be used to soak the oxidized silver necklace in the usual cola. The time is about 12 hours. Clean, dry it as bright as new.
The method of oxidation and cleaning of silver necklace 4: Sour vinegar
In a small towel, dip the seasoning sour vinegar, wipe the oxidized silver necklace, scrub back and forth, the color of slowly oxidized will disappear, leaving the remaining flash The silver necklace.
The method of oxidation and cleaning of silver necklaces 5: overnight tea
In a cup to install a cup of overnight tea, preferably strong tea, add oxidized silver necklaces, soak to the necklace white and take it out.