1, pure gold jewelry will react with mercury and appear white spots. When cleaning, as long as you barbecue under the alcohol lamp for a while, it will return to its original color.

2. If gold turns silvery white when it meets water, you can go to the store where you buy gold ornaments. Professionals will bake with high-temperature muskets and then polish them back.

3. For the gold jewelry that has turned white, it can be heated by gasoline spray wheel. Because the melting point of mercury is very low, it will volatilize due to the heating treatment of the spray wheel, which will restore the original appearance of gold jewelry.

Extended data

Daily cleaning and maintenance methods of gold

1, cleaning chemicals will change the color of gold, so take off the gold ornaments before doing all kinds of cleaning work.

2. Avoid direct contact with substances containing lead and mercury such as perfume and cosmetics, otherwise it will easily lead to the fading of gold ornaments.

3. Wrap it in flannel and put it in a jewelry box when keeping it to avoid mutual friction and damage.

4. Apply a layer of nail polish on gold jewelry to protect the luster of gold jewelry.

5. If there is a black silver film on the surface, 2 grams of salt, 7 grams of baking soda, 8 grams of bleaching powder and 60 ml of water can be used to make a "gold cleaner". Put the gold jewelry in a bowl, pour the detergent, take it out after 2 hours, rinse it with clear water (preferably not hard water), bury it in sawdust to dry, and then wipe it with a soft cloth.

6. Gold jewelry can be washed with diluted soap solution, and then dried with a soft cloth.

Baidu encyclopedia-gold jewelry

Baidu encyclopedia-gold