Not to fall into a trap the swindlers giving products from silver for expensive platinum jewelry need to be chosen carefully places of purchase of jewelry. However if all of you suspected that before you there is a fake, you can check and confirm or dispel it the fears.
Instruction
1. For a start try to find among the silver jewelry something similar by the size on the thing checked by you. At first weigh a silver product on a hand, and then take that which has to be from platinum. If it seems to you it is much heavier previous, so most likely, it is not a fake. Platinum is really much more dense and heavier than silver, approximately twice. However if you deal with jewelry of too small size, the hand can not feel differences in weight. In this case it is better to use pharmaceutical scales.
2. Besides a difference in weight, silver and platinum differ the friend from the friend in what reactions they enter. In particular, silver becomes black under the influence of hydrogen sulfide, and platinum does not react to presence of this substance in any way. In house conditions for check of a product from platinum on authenticity you can take rotten egg and put ornament directly on it. If metal turns black, it will mean that before you a silver fake. If color does not change, it will be possible to claim that before you platinum.
3. One more substance by means of which it is possible to distinguish silver from platinum is nitric acid. For check on authenticity you need to drip on the checked product the concentrated nitric acid. If acid slightly corrodes metal, having left on it a gray spot, it will be the proof that the product checked by you is made of silver. If nitric acid does not react with metal in any way, it will have to calm you: the checked product is really made of platinum.
4. One more feature of platinum is its low heat conductivity. Therefore it is possible to try to heat a product, holding it with two fingers. If during rather long time all of you still are able to hold a product, without burning fingers, it will be a weighty argument in favor of the fact that before you platinum. All from silver completely will heat up much quicker.
5. In spite of the fact that there are enough ways to distinguish silver from platinum in house conditions, it is better to entrust nevertheless such check to professionals who will define metal by means of the spectral analysis.