Things that can refine gold are: battery contact, SIM card, computer motherboard, CPU, memory bar, etc. In general, most electronic products contain gold -plated ingredients, so it can extract a certain content of gold in these items, and the purity is also relatively high. It is an excellent material for gold recovery and reuse. although gold is a very soft metal, it is not as good as lead and tin metal. Use nails on pure gold to draw traces. This softness makes gold very easy to process. However, this point is not ideal for the maker of the decoration, because it is easy to make the decorations hurt and make it make it make it wound and make it it. Lost luster and even affect beauty. Therefore, when making jewelry with gold, copper and silver are generally added to improve their hardness.
Things that can refine gold are: battery contact, SIM card, computer motherboard, CPU, memory bar, etc.
In general, most electronic products contain gold -plated ingredients, so it can extract a certain content of gold in these items, and the purity is also relatively high. It is an excellent material for gold recovery and reuse.
although gold is a very soft metal, it is not as good as lead and tin metal. Use nails on pure gold to draw traces. This softness makes gold very easy to process. However, this point is not ideal for the maker of the decoration, because it is easy to make the decorations hurt and make it make it make it wound and make it it. Lost luster and even affect beauty. Therefore, when making jewelry with gold, copper and silver are generally added to improve their hardness.