A. What is anodic oxidation treatment?
Anodic oxidation in silver jewelry: the so-called anodic oxidation treatment in the most direct way is to coat the jewelry with a very thin layer of white alumina. This is a very convenient option for those people who do not have time for jewelry maintenance. This treatment is now being used wildly in silver jewelry.
B. Sterling silver jewelry
Silver is one of the precious metals and at the moment it is just behind gold among all precious metals. Although the price of silver is not as high as the price of platinum or gold, its price is still much higher than the price of tin, lead, or other metals. But silver is too soft and easily deformed, therefore other metals are generally added to increase the hardness when it is used to make jewelry, and different alloys are added to it by each country. In fact, according to the international standard, it is recognized as sterling silver as long as the silver content exceeds 92.5%.
C. What is 925 silver?
Generally speaking, sterling silver jewelry sold on the market is made of 925 silver rather than 999 sterling silver. 925 silver is a type of alloy that combines 7.5% of other metals and 92.5% of other metals. % of silver, and is internationally recognized as sterling silver. 925 silver jewelry is stronger and more durable. 999 sterling silver is as smooth as pure gold, making it too smooth for jewelry making. Compared to jewelry made of 999 sterling silver, 925 silver jewelry can hold its shape and is not easily deformed, at the same time, the surface of the jewelry will not be excessively worn or need constant polishing.
D. How to maintain sterling silver jewelry
The main reason it leads to oxidation of silver is oxygen in the air, so the best way of maintenance is to use an air barrier, for example, silver jewelry should be placed in a sealed plastic bag and then in the jeweler, blocking the contact of the air with the Silver. When silver jewelry is oxidized, a silver polishing bath (SP dip) or silver polishing cloth (SP cloth) can be used to polish the jewelry. But the SP dip is too strong, so the SP fabric should be used as long as possible before using the SP dip. When it is necessary to use SP dip to polish silver jewelry, the jewelry should be washed with water and rubbed thoroughly immediately after polishing with SP dip to remove all chemicals on the surface, and then the jewelry should be dried with a hair dryer or oxygen in the air will accelerate the oxidation of silver.