Gold Jewelry Qinghao and 6 points of maintenance

Gold jewelry Qinghao and maintenance 6 points: during the sale and wearing of pure gold jewelry, small black spots will appear due to environmental reasons. Even if the jewelry is collected, it will be corroded. If you encounter this situation, you can Method for cleaning. Gold jewelry Qinghao and maintenance 6 points: during the sale and wearing of pure gold jewelry, small black spots will appear due to environmental reasons. Even if the jewelry is collected, it will be corroded. If you encounter this situation, you can Method for cleaning. ●Cleaning method 1. Ultrasonic washing tank cleaning. The standard formula of the cleaning solution: 1000ml of warm water at 40℃, 100g of anhydrous chromic anhydride, and 30ml of sulfuric acid. Cleaning method: Wear the gold jewelry with copper wire, hang it with a stainless steel rod, hang it in the sink, and wash it for about 80-120 seconds. It is best to use plastic sheets to do the numbering of jewelry when cleaning. 2. Manual cleaning method. Firstly, hydrogen gold jewelry is immersed in 30% sulfuric acid cleaning solution, after about 5 minutes, take it out, wash it with a hand brush carefully, then rinse with water for about 5 minutes, it is better to rinse off the acid solution, and finally use 20% Soak in the shampoo or detergent for 10 minutes, then use a brush, and finally rinse with water for 20 minutes and then dry it with silk. ●Maintenance method 1. When selling or wearing pure gold jewelry, try to avoid touching silverware, mercury, lead and other metals, because gold jewelry is prone to chemical changes with these metals, causing white spots. 2. In the process of selling or wearing pure gold jewelry, avoid placing the jewelry in an environment with carbon disulfide industrial waste gas or other corrosive chemical substances. These dirt will directly corrode the gold (alloy) and cause the gold jewelry to change color. 3. Avoid scratches on gold jewelry. For example, gold jewelry has abrasions or scratches. You can apply a layer of white jade toothpaste on the surface and wipe it with a silk cloth. You can also polish it with a cloth wheel or polish it with green oil. For gold necklaces and earrings, a little watch oil or protective film, such as paraffin, can be put on the hooks and screws. 6. Since the hardness of gold is very low, you can usually bite out traces with your teeth, so you should avoid squeezing and collision of gold jewelry when selling or wearing it. Previous: The division of jewelry in the world Next: The bride-to-be has a lot of skills in choosing a diamond necklace