Why silver black

More stable chemical properties of silver, corrosion resistance is also strong. However, air and other natural medium sulfur, nitric acid and oxides 925 silver jewelry of silver has some corrosion. Silver jewelry to wear long time, sulfur and silver jewelry silver compounds will be formed on the surface in a layer of black silver sulfide film, the beginning of the performance of a number of small spots, then spread into a film, people often say that the formation of silver and silver mold fouling, turned black, silver jewelry seriously affect the surface color and luster.
Wearing Precautions
According to the principles described above, in the process of wearing silver jewelry should note the following:
1 In the wear silver before coated with colorless nail polish, will enable the surface gloss and lasting.
2 silver should be avoided in the spa or sea areas to wear, silver or sulfide easy to make contact with a heated surface changes.
3 in the bath, when swimming, be sure to take off jewelry, avoid contact with chemicals such as bleach.
4 in the make-up time, please try to avoid contact with cosmetics and perfume and jewelry.
5 In the wear process, please try to avoid contact with any other chemical substance silverware to avoid chemical reactions.
6 After wearing cotton swab or tissue paper available surface, remove water and dirt, and then in sealed bags to avoid contact with air.
How to deal with blackened silver
If unfortunately you have severe discoloration Silver 925 Ring blackened silver, please try the following approach:
One can try to wipe the silver surface of the drawing eraser slight black oxide.
2 can try a little toothpaste on silver coated, and then scrub brush dipped in warm water, and finally with a soft wool woolen cloth.
3 When the silver surface by a mildly corrosive slight discoloration, you can use detergent or soap over medium heat gently wipe with a soft scrub brush, then wipe dry with a soft woolen cloth wool, then silver will show original luster.
4 warm open water with detergent into a solution rinse, and then wetted surface phosphoric acid solution, then wipe with a cloth, make jewelry cleaner. 5-time rendering light brown silver oxide, silver can be a soft cloth lightly moistened with oil wipe or wash water immersion silver, they can be directly silver cloth wipe. 6 would be a little silver placed silver wash water soak, remove and slightly rinse with water.
7 Use the wiping cloth of silver, is the fastest and most convenient ways; rub silver cloth silver cloth containing silver and maintenance components, can not be washed, wipe the smudges of silver produced, can be used repeatedly.
8 and with exquisite workmanship of stereoscopic silverware, avoid deliberately wipe light.
9 silver if not sealed or regular cleaning, easy to make the color darker.
10 silver best care to wear every day, because the body fat can produce natural moist silver sheen.
Silver washing water use *
Most of the guests usually have to use experience, very convenient, throw silver wash water did not take long to get up Silver 925 Pendant will light up, but there are many painful experience for those who fully reimbursed out of silver jewelry, spent wronged Money do not matter, and sometimes jewelry is not necessarily buy you can go back and buy it!
If you must insist on using silver wash water is then
Please note the following steps:
1. The silver jewelry into silver wash water should not more than seven seconds
(2) to take up immediately after the wash with plenty of water
3 Take a dry cloth, if the time is still enough, you can use a hair dryer blowing hot, but be careful not to immediately hand to touch ~ metals thermal
4 placed back to temperature, then put the sealed bag; Or you may want to wear silver jewelry is described above with silver wash water in the most important concepts, there are many selling silver washing water is not necessarily the owner fully know how to use it and the guests say unclear.
Because silver wash water is a corrosive liquid, the most important part is to give rapid oxidation removed, but place a long time, he was part of a polished silver surface will also continue to corrode, so the jewelry will never can not be changed back to the original.
Even with the right way, over time there will be multiple uses for silver is still a lot of damage, look no luster. Therefore we have guests buy silver wash water will talk with the guests better not to use silver washing water, when Silver 925 Necklace jewelry relatively long time, you might consider not hurt silver silver cleaning cloth (polishing cloth).
Matte surface cleaning methods
Scrub the surface of the silver, wearing a long surface of the oxide, rub silver cloth wipe but darkened, how to do?
It does not matter, just the surface blackened silver cleaning cloth stained with stains on, just use detergent, wipe dry after washing, like the original Baibai Liang Liang.