Silver jewelry turning black is a normal natural phenomenon. Because the sulfur and oxides in other natural media have a certain corrosion effect on silver. After wearing it for a period of time, there will be some tiny spots ...
What to do if the silver jewelry becomes black
Silver jewelry turning black is a normal natural phenomenon. Because the sulfur and oxides in other natural media have a certain corrosion effect on silver. After wearing it for a period of time, some tiny spots will appear.Film, even black.So what should I do if the silver jewelry becomes black? Let ’s take a look at China with Xiaobian
(1) Wipe it with cotton dipped in white vinegar. The black silver sulfide is dissolved in the ester acid, and the silver jewelry is shining again.
(2) Wipe with alcohol or sodium carbonate, the effect is also very good.
(3) Wash the surface of the decoration with detergent first, and then wash it with sodium sulfate solution (adding 20 grams of sodium saltulfate with 100 grams of water), and then wash it with water.
(4) Use 1 portion of liquor, 1 alum, and 10 salt, mix and heat until boiling, immerse the jewelry; take it out after 10 minutes, wash it with water and then dry it.
(5) Wash the mirror with ammonia or squeeze with toothpaste on the velvet cloth, which can also restore its original luster.
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