What can be adulterated in gold to fake it

Gold adulterated with ruthenium.

Gold stores pay attention! Previously heard of gold in iridium, recently gold in fake and new tricks, in expensive gold in the participation of super cheap ruthenium, it is difficult to identify, ruthenium nature is very stable, corrosion resistance is very strong, room temperature that is resistant to hydrochloric acid, sulfuric acid, nitric acid, as well as aqua regia's corrosion.

The melting point of ruthenium is 2607K (2334°C), which is more than twice that of gold, and the conventional melting method of gold with ruthenium can only melt gold and other metals with low melting point, and the metal ruthenium is not melted, so it hides itself well.

This is some of the gold store with the fire detection method can not be detected, the general gun can not burn it, ruthenium price than the metal iridium is also cheaper than half of the gold store to recycle the old material or individuals to buy gold jewelry should be especially careful Oh.

Some tips and tricks for buying gold

1, understand the market. Before buying gold, you should study the market outlook and gold price trends. Information can be obtained through the media, financial analysts and professional organizations in order to make decisions.

2. Determine how to buy. Gold can be purchased through banks, securities companies, precious metal exchanges, gold jewelry stores and other ways. Among them, the precious metal exchange is a regulated and safe way.

3, choose the form of purchase. Gold can be purchased in different forms, such as gold bars, gold coins, jewelry and so on. When choosing a form, consider factors such as gold price, liquidity, storage and insurance.