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Pure silver. Represents the purity of silver. It's 92.5% silver and 7.5% alloy, which is the low purity of silverware, just like the purity of 999. Because foot silver is too soft and prone to oxidation. Silver is an active metal that easily reacts with sulfur in the air, causing silverware to turn black. Therefore, when wearing, try to minimize contact with air and avoid wearing in places with high levels of chemical gases. After coming into contact with sulfur soap, wipe it dry. Due to the inherent properties of silver, it is very soft and easy to scratch, and is not suitable for increasingly sophisticated craftsmanship requirements, as well as the increasingly diverse and exaggerated design requirements of modern popular jewelry. In addition, silver is prone to discoloration and loss of luster, so a 7.5% alloy is added to give silver the ideal hardness, brightness, luster, and antioxidant properties. It can also be inlaid with various types of jewelry, jade, and white stones. From then on, silver jewelry has become a new generation in the fashion industry with its fashionable taste of bright color, unique style, and exquisite craftsmanship. Pure silver plated with platinum Silver is an unstable metal that can turn yellow and black due to external factors, and there is currently no way in the world to prevent its changes. Plating silver with platinum (palladium, rhodium) can effectively isolate silver from contact with the outside air. This platinum effect can be maintained for 4-12 months depending on the degree of protection you have for the jewelry, and then it will become the effect of silver itself. Pure Silver (Thai Silver) In order to conceal the tendency of silver to change color, another method is to directly sulfurize silver, making it impossible to turn yellow or black. The sulfurized silver presents a primitive and rustic effect. This method originated in Thailand and is also known as "Thai silver". Usually, this Thai silver color is often used in men's jewelry. Silver (plain silver) The alloy of 92.5% silver and 7.5% copper is a pure silver standard, usually plated with platinum (rhodium) to prevent yellowing or blackening due to oxidation or vulcanization. Silver without platinum plating is called "plain silver". Wearing precautions According to the principles described above, the following points should be noted when wearing silver jewelry: 1. Before wearing silver jewelry, please apply a layer of colorless nail polish to make the surface shiny and durable. 2. Silver jewelry should be avoided from wearing in hot springs or seawater areas, as contact with warm water or sulfides can easily cause surface changes. 3. When taking a shower or swimming, be sure to remove the silver jewelry to avoid contact with chemical substances such as floating vipers. 4. When making up, please try to avoid contact between cosmetics and perfume and silver jewelry. During the wearing process, please try to avoid any other chemical substances coming into contact with the silver jewelry to avoid chemical reactions. 6. After each wearing, gently wipe the surface with a cotton cloth or tissue to remove moisture and dirt, and then store it in a sealed bag to avoid contact with air. Blackened silver jewelry If unfortunately your silver jewelry has severely discolored and turned black, please try the following methods: 1. You can try using a drawing eraser to wipe off the slight black oxide on the surface of the silver jewelry. 2. You can try applying a small amount of toothpaste to the surface of the silver jewelry, then using a toothbrush dipped in warm water to scrub, and then using full wool soft cloth to dry. 3. When the surface of the silver jewelry is slightly corroded and discolored, it can be gently wiped with detergent or hot medium soap. First, use a soft bristled brush to scrub, and then use full bristles When the soft woolen fabric is dried, the silver jewelry will show its original shine. 4. Rinse the silver jewelry with a solution of laundry detergent and warm water, then wet the surface with phosphoric acid solution and wipe it with a velvet cloth to make it cleaner. 5. When silver jewelry oxidizes, it appears light brown. It can be wiped with a soft cloth dipped in a little silver oil, soaked in silver washing water, or directly wiped with a silver cloth. 6. Soak the silver jewelry in silver washing water for a while, then take it out and rinse with clean water. 7. Using a silver cloth is a fast and convenient way; Silver cloth contains silver maintenance ingredients and cannot be washed with water. The stains produced by wiping are silver and can be used multiple times. 8. Silver jewelry with three-dimensional craftsmanship should be avoided from deliberately wiping and shining. If silver jewelry is not sealed and stored or regularly wiped, it is easy to darken its color. The best way to maintain silver jewelry is to wear it every day, as body oils can give silver a natural and warm luster.