Can be soaked in hot solution for 2 hours. The hot melt should be prepared in advance: 100g water, 15g bleaching powder, 15g sodium bicarbonate and 5g salt. Then, wash with hot water and sodium bicarbonate solution (1 kg water and 1 teaspoon sodium bicarbonate).

How to clean platinum ornaments

In fact, cleaning platinum jewelry is not a hassle, because platinum jewelry is not as "exquisite" as everyone thinks. The detergent usually used for washing bowls and fruits is a very economical platinum jewelry detergent after being diluted with water. In addition, you can buy a pack of developing powder from a photographic equipment store, put a small amount in a clean glassware, add water and stir evenly, then soak the platinum jewelry in it for 5~ 10 minutes, then take it out, rinse it with water and wipe it with a dry cloth, and your beloved platinum jewelry will be as bright as new.

Cleaning of diamonds

Diamonds, like other things, can be dyed, dyed or dyed by dust. All kinds of solvents, powders, soaps and even oils produced by human body will form films on the surface of diamonds, which will reduce the luster of diamonds. In addition, air may also oxidize or discolor jewelry. Here are some recommended ways to clean diamonds:

Rinse with detergent

First pour a little detergent into the bowl, stir with warm water to foam, then put the diamond into the bowl and rub it gently with a soft brush. After brushing, take it out and put it into a metal net or filter tea set, rinse it with warm water and dry it with a soft cloth.

Soak in cold water

Dissolve the detergent in cold water at the ratio of 1 4, and soak the diamond ring in the solution for several minutes. After taking it out, gently wipe it with a soft brush, rinse it with solution again, and then dry it with a paper towel.

Cold water immersion method

Add the same amount of water to half a cup of household ammonia water, immerse the diamond in the solution, stir it gently, and then use paper to absorb the water.

In addition, the use of ultrasonic cleaners and other special jewelry cleaners is also effective.