HOW CAN KNOW ITS PLATINUM A GENERAL HUMAN

Hassan - your question is not very clear. I'm assuming that you're asking how can you know if your jewelry product is made of platinum.
If that's your question then the answer is that all platinum jewelry products should have one of the following stamps indicating that they are made of platinum:

PLAT, PT, 950 Plat, Plat 950, Pt950, 950Pt, 900 Plat, Plat 900, Pt900, 900Pt

Note that it is never actually 100% platinum but typically either 90% or 95% platinum. The other metal could be ruthenium, rhodium, palladium, and other platinum group metals.

Hope I answered your question. If not please ask again and with more detail please :-)

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