The technological difference between them is that gold is plated on the surface of the object, and mercury is evaporated by heating, so that gold will adhere to the surface of the object. Gold plating is to make gold adhere to the surface of metal or other objects by electrolysis or other chemical methods, forming a thin layer of gold.
It can be seen that gold plating and gold plating are both gold, but the process is different.
Because the ancients did not have ionization technology, they often used gold plating.
Extended data:
In addition to gold plating and gilding, there are the following gold plating processes:
1, gold. Hot stamping needs gold foil as raw material, which can be pasted into a smooth surface or processed into exquisite patterns. In many palaces and temples, carved beams and statues are often plated with gold, which makes the buildings extremely brilliant.
2. sprinkle gold. In the process of making rice paper, fine gold and silver powder or gold and silver foil and rubber powder are coated on the paper to make it glow on colored powder wax paper, which is called "five-color wax paper sprinkled with gold and silver". This kind of paper is called "golden stationery". In addition, there were bronze sprinkling gold, porcelain sprinkling gold and feeder sprinkling gold in ancient times.
3. tracing gold is a traditional craft. Dissolve gold in mercury and salt solution, and then heat and evaporate the mercury and salt solution to obtain gold powder. With this kind of gold powder, decoration can be described, and it can even be used to draw pictures and copy classics.
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