3 thoughts on “How to clean the golden neck chain”
Olive
1. Gold necklace turning black cleaning method: 1. 3 grams of salt, 8 grams of soda, 9 grams of bleaching powder, 70 ml of clear water, put the necklace in the cleaning agent, take it out for 2 hours, in it in 2 hours, in 2 hours, in 2 hours, in 2 hours. Wash it with water and dry it. 2, mix with salt and vinegar, wipe the necklace with a soft cloth.
. The reasons for turning the gold necklace:
1. Cosmetics and hair dye contain trace lead. 2. Human sweat -related, 99%of human sweat is water, 1%is waste and harmful substances in the human body (chlorine substitution, lactic acid, urea ammonia, etc.). , Produce silver chloride and copper sulfide at the same time showing dark black chemical salt. . Reference materials:
1. Gold necklace turning black cleaning method:
1. 3 grams of salt, 8 grams of soda, 9 grams of bleaching powder, 70 ml of clear water, put the necklace in the cleaning agent, take it out for 2 hours, in it in 2 hours, in 2 hours, in 2 hours, in 2 hours. Wash it with water and dry it.
2, mix with salt and vinegar, wipe the necklace with a soft cloth.
. The reasons for turning the gold necklace:
1. Cosmetics and hair dye contain trace lead.
2. Human sweat -related, 99%of human sweat is water, 1%is waste and harmful substances in the human body (chlorine substitution, lactic acid, urea ammonia, etc.). , Produce silver chloride and copper sulfide at the same time showing dark black chemical salt.
. Reference materials:
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jingyan./article/
Slowly brush with a fine brush. You can also use a toothbrush, which is just applicable.
Tao rice water toothbrush understands? Dear is shining and not hurting gold