2 thoughts on “Why should the jewelry be cleaned during jewelry evaluation? What is the method of cleaning the jewelry”

  1. For jewelry and gold jewelry, it is as important as people. During the washing process, it can activate tissue cells, remove dirt, and make both inside and outside of the body feel fresh. The same is true for jewelry and gold jewelry. The correct and careful cleaning method can make them in the best condition at any time, brilliant and eye-catching, and can also increase their life
    A. Cleaning: clean with a soft brush dipped in salad, but do not use fluoride toothpaste or bleach or other irritating products
    B. Cleaning: pure gold or K-gold products, please do not touch perm water and other articles, and white spots will be generated after contact
    C. Cleaning: immerse the diamond in warm soapy water for about 20 minutes, gently brush the bottom of the pedestal with a soft brush, and then clean it with water (remember to plug the water hole first to prevent the gems from falling off)
    D. Maintenance: pay attention to whether the diamonds are loose after cleaning. Go to the jewelry store every 6 months to have your jewelry thoroughly cleaned and inspected
    (I) cleaning and maintenance of gold and silver jewelry
    1. Cleaning and maintenance of gold jewelry: wash in Huangfang jewelry store with ultrasonic washing tank. The standard formula for washing is: 1000 ml of warm water at 40C, 100 g of anhydrous chromic anhydride and 30 ml of sulfuric acid. The method is as follows: hang the jewelry with plastic sheet number, then thread it with copper wire, hang it on the stainless steel rod, and suspend it in the washing tank. The washing time is 80-120 seconds. The manual cleaning method is to immerse the jewelry in 30% sulfuric acid cleaning solution for 5 minutes, wash it with a brush, then rinse it under the tap water for 5 minutes, and finally soak it in 20% shampoo or detergent for 10 minutes, wash it, rinse it with water for 20 minutes, and dry it with silk
    2. Cleaning and maintenance of silver jewelry: use 1000ml of 50c warm water, 200ml of phosphoric acid, 30g of concentrated washing powder, pour the solution into the ultrasonic cleaning tank for 100 seconds, and then rinse with water
    Home Cleaning: pour the cleaning solution into a container, soak the silver jewelry for 10 minutes, then rinse with a toothbrush, and rinse with water for 10 minutes
    (II) cleaning and maintenance of gems and jades
    use 20% neutral detergent or shampoo to clean the gems and jades, and the liquid temperature is 25 to knock. Soak it for 10 minutes, then brush it slowly with a toothbrush, remove the sweat and dirt, and then rinse it with tap water for 20 minutes
    (III) maintenance of jewelry and jade
    after rinsing with water, gold and silver jewelry and jade should be dried with silk. If there are scratches and scratches on the gold, a layer of white jade toothpaste can be coated on the surface of the gold, wiped with silk cloth, polished with cloth grinding wheel, or polished with green oil. The chain and gold earrings can be injected with a little watch oil on the hooks and screws, or coated with a protective film
    the commonly used glazing protective film is paraffin. The common gemstone protective film is pink nail polish. Nail polish is applicable to a wide range of products, such as brassieres, rings, earrings, fabric mixers, brooches, sleeve buttons, etc. At present, the popular protective agents are: transparent electrophoretic paint, b0l acrylic varnish; Soz polyurethane varnish. It is suitable for high-grade gems, such as emerald, red treasure, blue treasure, sea blue treasure, emerald, etc
    (IV) cleaning and maintenance of pearls
    pearls should be cleaned with soft paper or soft cloth containing silicone oil. For pearls that are blackened, dull and severely stained, they should be soaked in 20% brine for one hour, then washed with 3% hydrochloric acid solution, and then rinsed in clean water for 10 minutes. Pearls should not be exposed to the sun, damp and stored with camphor such as health IX

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