Traditional Culture Encyclopedia - Traditional stories - The problem with traditional metal doping is that
The problem with traditional metal doping is that
Yes, doping iridium in gold is a recent forgery. Due to the high density of metal iridium, which is very close to gold, some previous methods to distinguish the fineness of gold are no longer applicable.
For users, there are two ways to invest in gold now. 1 is to buy paper gold; Second, buy the BRICS with unified national specifications; If you buy a BRICS investment, you can recycle it wherever you buy it (usually in a big shopping mall). If it is recycled gold, many times the country will not accept it. Because iridium is difficult to detect.
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