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26 May: Palladium, How much do we still have ?

As for platinum and rhodium, palladium discovery comes quite late in human history. William Wollaston (the same man who identified rhodium [link]) was discovered and named in 1802. After a brief moment of skepticism where the metal was mistaken to an alloy, it follows a long period where resources were…

20 May: Will we ever run out of gold ?

If gold is the precious metal it is today, and not silver, platinum, palladium or copper is because it was both early accessible and not plentiful for mankind, which made it a material that was used early on but also difficult to obtain.   Notez cette page

29 Apr: How to manufacture of 18-carat gold?

For those who do not know, we classify the different alloys of gold according to their purity of gold. The unit of reference, which has not changed for centuries, is the carat and includes 24 graduations. Notez cette page

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