What to do if the silver jewelry turns black, what happens when the silver jewelry turns black

The method of cleaning silver jewelry is very detailed, but if you don't find out the cause of the blackening of silver jewelry, it will hardly help. There are several reasons for the blackening of silver jewelry: 1 natural oxidation, not often worn, after taking off, do not care, casually, silver will combine with sulfur dioxide in the air to produce natural oxidation reaction, solution:

Wipe with a silver cloth or apply lipstick to a clean cotton cloth. This is for flat jewelry, but if it is filigree, use alum and water1; 10 ratio boiled or toothpaste brush (but the gloss of the toothpaste brush is not the brightness of silver) 2 The body has too much acid, or the body is sick, cosmetics, perfume or sweat quickly (within two days) corroded the surface of the silverware, the color, very black, so you use any of the above methods are useless, you must go to a professional silverware store, and finally have your own factory. With a high degree of polishing with a machine, the corroded layer of the surface is thrown away, and it will be as bright as new.

Remember, if there is a shop that uses ultrasound to wash oxidized silver jewelry for you and charges, don't be deceived, ultrasonic can only wash dirty crevices, not oxidized ones. Don't use silver wash too often. Also corrosive ...

It is best to wear it every day, wipe it with a silver cloth, and put it in a plastic bag to isolate the air without wearing it, and it will be no problem. Good luck.

How to clean blackened silver jewelry.

Scrub with toothpaste, as toothpaste is rich in fine calcium carbonate particles that rub to wipe off silver oxides from the surface. If it is inlaid with silver jewelry, you can find a toothbrush, dip a little toothpaste and rub it patiently and gently, and then wash it with water.

There is a special silverware cleaner and a wiping cloth.

It can't be poisoning, if you don't have it, find someone to clean it.

The sudden blackening of the silver jewelry worn on the figure may be caused by oxidation, exposure to sulfur, and heavy sweating.

1. Oxidation: After a long time of contact between silver jewelry and air, there will be oxidation, if not wiped in time, or not cleaned, there may be a phenomenon that the silver jewelry worn on the body suddenly turns black.

2. Contact with sulfur: If you come into contact with sulfur in the process of wearing silverware, sulfur will have a certain chemical reaction with silver, resulting in a change in the color of silverware.

3. Sweating a lot: In the hot season, or the indoor temperature is relatively high, it will cause a lot of sweating in the body, under normal circumstances, the sweat is acidic, if the ammonia content in the sweat is relatively high, it is easy to cause the silver jewelry worn on the body to suddenly turn black.

The silver jewelry worn on the body has turned black and needs to be cleaned in time, and the blackening usually disappears after washing.

Eggs contain a lot of protein, which is made up of amino acids, some of which contain elemental sulfur. When the egg is cooked, the protein is denatured, and the sulfur and peptide bonds are not so tightly bound and reacts with the silver, causing the silver to turn black.

In addition to silver currency, silver utensils were commonly used by local princes, nobles, and religious elites. The most common and most common thing that people use in their lives, silverware is the most common, it can not only be made into daily necessities, but also can be used to decorate utensils or clothing items. It wasn't until the nineteenth century that silverware began to become a commodity, but only the more affluent could afford it.

The craftsmanship of silverware has been quite exquisite, and the right to use it has long been no longer held by the aristocracy, but silverware is still a relatively expensive choice in the minds of most people.

What to know about silver:

925 sterling silver actually refers to silver products with silver content. 925 represents the purity of silver. This is the minimum standard of purity for sterling silverware, just like the purity of 999**.

Because pure silver is soft and does not oxidize easily, 925 silver has been internationally recognized as pure silver since Tiffany created 925 silver.

Silver is an active metal that easily reacts with sulfur in the air, causing silverware to turn black. Therefore, when wearing, try to avoid contact with the air, and should not wear it in places where chemical gases are concentrated. Sulfur soap must be dried immediately after contact. Chloride in sweat also has an effect on silver.

The above content refers to Encyclopedia - Silverware.