How to distinguish platinum and silver

The colors of platinum and silver are relatively similar, and inexperienced people tend to confuse the two. The price of platinum and silver is also much different, so how to distinguish platinum and silver? The colors of platinum and silver are relatively similar, and inexperienced people tend to confuse the two. The price of platinum and silver is also much different, so how to distinguish platinum and silver? 1. Since every piece of jewelry must be engraved with the seal of ingredients, as long as you see it is pt, or platinum, plat, it is platinum; if you see s or silver, it is silver. In addition, pay attention to the copper silver-plated symbol, it is sf. 2. If the seal is blurred or the seal has been cut off, this method can be used. The density of platinum is high, the specific gravity is 21.4 kg/dm3, and the specific gravity of silver is 10.49 kg/dm3. In this way, the weight of the same volume of silver is only half that of platinum, and it is easy to distinguish between the two. 3. Sometimes when there is less material, the weight on the hand is not obvious, and there is no seal, then this method has to be adopted. When platinum is heated or fired, the color does not change after cooling; while silver is heated or fired, and the color becomes moist red or black-red after cooling. 4. Platinum looks off-white to the naked eye, with a relatively hard texture and a hardness of 4.3. With the naked eye, silver looks pure white in color, has a finer and smooth texture, and has a hardness lower than platinum, with a hardness of 2.7. The easiest way is to grind the platinum on the touchstone, and then use a mixture of nitric acid and hydrochloric acid to drop a few drops. If the wear scar exists, it means platinum. As for the color level, there is only a difference in color; if you drop this drop on On silver, wear scars will dissolve. How to distinguish platinum and silver? K gold jewelry is very popular in Europe, especially famous for Italian K gold jewelry. The popular and fashionable k-gold on the market refers to Italian crafted k-gold jewelry with a content of 14-18k. Previous: How to wash a wedding dress Next: Which stones are more like emeralds