Analysis:

Maintenance of silver ornaments:

Many people like silver ornaments, but they don't know how to maintain them. They even think that silver ornaments are difficult to maintain, which is not the case. The chemical properties of silver are not as stable as platinum and gold, and it is often oxidized to black or yellow by water or other chemicals in the air, losing its luster. After understanding this feature, we only need to spend a little thought in our daily life to make the silver ornaments we wear last as long as new. When wearing silver jewelry, don't wear other precious metal jewelry at the same time to avoid collision, deformation or wear. Keep the silver ornaments dry, don't swim in them, and don't go near hot springs and seawater. After each wear, you can gently wipe the surface with cotton cloth or paper towel to remove moisture and dirt, and then put it in a sealed bag to avoid contact with air. The best way to maintain silver jewelry is to wear it every day, because human oil can produce a natural and moist luster. Contains exquisite three-dimensional silver ornaments made into sculptures to avoid deliberate polishing. If you find that the silver ornaments are yellow, you should first clean up the thin seams of the silver ornaments with a small jewelry brush, and then gently wipe the surface with a silver cloth to restore the original silvery white and brightness. I suggest that if the silver cloth can recover about 80% silver, there is no need to use silver lotion and silver washing water, because these products are corrosive to some extent, and silver ornaments are more likely to turn yellow after using these products. Silver wipes contain silver maintenance ingredients and cannot be washed. If you don't handle and collect the silver jewelry after wearing it, it is very likely that the silver jewelry will turn black. At this time, you should use a small jewelry brush to clean the fine seams of jewelry, then drop a drop of silver emulsion on the paper towel to wipe off the black oxide on the surface of jewelry, and then use a silver cloth to restore the original brightness of jewelry. After that, you should remember to do the daily general maintenance to prevent the silver ornaments from turning black again. Silver ornaments are difficult to rub white after many blackening.

These are some basic considerations. Here is a detailed introduction to the maintenance methods of electroplated and unplated silver ornaments:

First of all, it is necessary to distinguish whether there is electroplating; (Silver ornaments are generally divided into electroplated and non-electroplated) Electroplated silver ornaments: that is, the inner layer is pure silver, and the surface is being treated with current; Electroplating is generally divided into electric yellow K and white K; The way to identify electroplating is that its surface is brighter than pure silver, just like a mirror, which has good reflective effect and is not easy to oxidize (the oxidation time depends on the thickness of electroplating). Electroless silver jewelry: easy to lose luster due to vulcanization. (Sulfur dioxide chemically changes with silver in the air, forming a layer of sulfide on silver ornaments, which is the same as the apple will slowly turn black after being cut (oxidation principle). ).

The simple treatment of electroplating silver ornaments is as follows:

1. First buy a pack of alum from a nearby Chinese medicine shop or drugstore.

2. Then use the silver jewelry you wear as; The proportion of boiling water (water must be boiled).

3. Take out the silver ornaments and put them in cold water. Use a soft brush (such as a toothbrush) dipped in toothpaste or laundry detergent or salad for cleaning.

4. Blow dry with a hair dryer, and then wipe with suede, as bright as new.

The types of electroplated silver ornaments that can be processed above are A. Necklace (thickness can be used) B. Cuckoo, C. Ring (with or without gems) D. Handmade bracelet (thickness can be used) E. Silver ornaments inlaid with plastic and so on.

The simple treatment of electroless silver jewelry is as follows:

(Remarks: Silver jewelry with restrictions in the following methods: a. Silver jewelry inlaid with plastic and the like. B. It is vulcanized (vulcanization: when buying silver jewelry, there are black parts on the silver jewelry, such as totem patterns and black inscriptions, such as Macarthur).

1. Bake silver ornaments with fire (lighter is enough) to destroy their surface structure. The baking time depends on the size and thickness of the silver jewelry.

2. After cooling, put it in alum water and boil it. After boiling, take out the silver jewelry, put it in cold water and dip it in toothpaste with a soft brush (such as a toothbrush).

Or wash milk or salad;

3. Blow dry with a hair dryer, and finally polish with silver cloth or silver powder, showing the true color of pure silver;

When dealing with the above-mentioned electroless silver jewelry, we should pay attention to the following points:

1. When fine necklaces or fine silver ornaments are baked on the fire, they should not stay in the same place for too long;

2. After baking, silver ornaments and gems should not be directly immersed in cold water, so they must be naturally cooled, otherwise the gems will easily deteriorate.

Metamorphic fragmentation;

3. Daily maintenance can be wiped with silver cloth or silver powder. If your jewelry can no longer be polished with silver cloth or powder, you can make it.

Using the above methods, we should try to avoid using silver washing water or silver paste, which is extremely corrosive and will corrode silver ornaments and is dangerous.

Harm human health.