Nano Tungsten Carbide – The Platinum-like Catalyst In nature, platinum group elements together with gold and silver are known as precious metal elements. The platinum family has platinum, iridium, rhodium, and palladium. The most important value of platinum is not that it is platinum jewelry, but that it is an important industrial catalyst, such as […]
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The South American Indians knew platinum from an early age, and it is often found in sand grains in the form of natural platinum in nature. When the Spaniards arrived in South America, they called the natural platinum “Little silver” and brought it to Europe for the first time from Ulloa. The “Litter Silver” is […]
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