1, magnet
Magnets can attract iron, steel, brass and their mixtures, so magnets can first find out whether they are made of silver.
Step 2 wipe the silver bar
Generally, there are silver rubbing sticks in places where silver is sold. You can wipe it on the spot to see if it is silvery white, and if it is, it is silver.
3. Difficulties
The higher the silver content of the silver health cup, the softer it is. We can draw on the cup with sharp objects such as pins. If it is hard, the scratch is not obvious or shallow, it means it is not silver. If there are some deep scratches, it means that the cup is silverware.
The most accurate monitoring method is to go to a professional appraisal institution for monitoring, which costs one to twenty yuan at a time, and there will be a test certificate, which is more accurate and intuitive.