Detailed Guide: How to Get Out of Town Platinum Dust

You already gave the girl a ring made out of coins. It is, of course, delighted but asked the next time a real jewel. Money for the jeweler is still not enough. What to do? After all, gold ring it has since 2013, when we smelted gold from old chip, so that no more chips left.
Fortunately, there is another option. Another precious metal lying literally under your feet ...

If you do not know what a normal road asphalt road dust very high concentration of platinum, since platinum catalysts are used in many vehicles. So, take a brush and go on the road to collect the precious dust.





Instructions platinum mining Ammena published in the book "Recovery and recycling of precious metals».

See. Also the Soviet reference OE Zvyagintsev's "The refining of gold, silver and platinum group metals" (pp. 120-127).

American amateur chemist named Arthur and his friend experienced in practice, as described in textbooks method of refining platinum and recorded video. First of all the guys gathered dust bag from the highway.





It should be sifted, throwing large pieces, stones, cigarette butts and so on. Platinum particles are very small, sometimes as small as a few atoms, so that the filter should be as carefully as possible:. Through a coffee filter





At the exit, we have a big pile of dust, mainly particles of concrete and rubber.





The smallest particles are filtered is poured into the glass, and weighed. Arthur got 146 grams of dust: it's just for the first Test. To make a real platinum jewelry, it is necessary to collect more dust.





Dust mixed with sodium carbonate and melted in a furnace to a syrup.





At the bottom of the glass settles metal droplet.









This piece should be ignited to burn impurities.





At the bottom of the glass from the furnace remains a tiny ball of metal alloy with a very high melting point, that is, from the platinum group metals.







The ball is calcined to the melting point of platinum, to finally cleanse the impurities.







The ball is already shines. Of the 150 grams of dust turned ingot diameter 0 58 mm (0, 33 mm at its thinnest point).





In magnifying glass it is very well seen, but weigh unlikely to succeed: the scales do not take this weight

. Then dissolved and precipitated platinum bullion ammonium chloride.





Separating the silver, and other waste impurities, we obtain a grain platinum. The author estimates that a ton of road dust out about 6, 7 grams of the precious metal.





6, 7 grams of a ton - it's a lot. The authors believe that approximately the same concentration of platinum mines in Russia and South Africa (in South Africa accounts for 68% of world production of Pt).



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