Why does the necklace turn black?
Accessories are to styling what eyes are to people. A good styling should have a good accessory. Among accessories, necklace is the most common one. The exquisite beauty of the necklace is believed that women can't refuse it, but the necklace also has a shortcoming, which is easy to turn black after wearing it for a long time. Let's see why!
First of all, necklaces are made of metal. Unstable metals easily react with the medium in the air, and the most common one is metallic silver. Sulfur and oxides in natural media such as air have a certain corrosive effect on silver. After a long time, silver jewelry will slowly change color, and even turn black when it is serious.
What if the necklace turns black?
1, brush with toothpaste and toothbrush.
2. Apply lipstick on the cloth, then wipe the silver ornaments, and finally rinse them with water.
3. It is absolutely effective to apply the correction fluid to the silver jewelry and wipe the silver jewelry with a cloth before the correction fluid dries.
4, alcohol or sodium carbonate wipe, the effect is also very good.
5. Wash the surface of ornaments with detergent, then sodium thiosulfate solution (prepared by adding 20g sodium thiosulfate into 100g water), and then clean with clear water.
Common types of necklace
Necklace is one of the ornaments of human body and the earliest jewelry. Some necklaces not only have decorative functions, but also have special display functions, such as Catholic cross chains and Buddhist prayer beads. Since ancient times, people have made necklaces with different styles, characteristics and styles in order to beautify the human body and the environment, which meets the aesthetic needs of people with different skin colors, nationalities and aesthetics. This paper introduces the style of necklace from two aspects: material and style. As far as materials are concerned, there are several kinds of necklaces in the jewelry market, such as gold, silver and jewelry.
Among them, there are three kinds of gold necklaces: red gold, 18K and 14K. The fineness of silver includes 92.5% silver, silver plating and gold plating. Jewelry used as necklaces includes high-grade materials such as diamonds, rubies, sapphires, emeralds, emeralds and natural pearls, as well as middle and low-grade materials such as agate, coral jade, ivory and cultured pearls. Jewelry necklaces have stronger decorative effect and richer color changes than gold and silver necklaces, which are especially popular among young people.
Fashion necklaces are popular all over the world, and most of them are made of very expensive materials. Such as necklaces made of gold, plastic, leather, glass, silk rope, wood, low melting point alloy, etc. , are based on fashion, emphasizing novelty, strangeness, beauty and popularity.
Necklace maintenance method
1. Avoid squeezing and pulling when wearing.
2, sweat is easy to corrode the necklace, after wearing it, wash it with water in time, and then gently wipe it with a soft cloth.
Remember to take off the necklace when you take a shower and sleep.
Remember to seal the necklace when you don't wear it, and it is a good way to apply nail polish or vaseline on its surface.
Check your necklace regularly to see if the fragile parts such as slipknot and clasp are firm.
6, wear your necklace every day, the body oil will bring you a warm luster!