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The concept of palladium metal elements!

username:admin   createtime:2018-04-19

Palladium is the fifth cycle Ⅷ clan members of platinum group elements, transition metal palladium is silvery white, soft, good ductility and plasticity, forging, rolling and drawing. Massive metal palladium can absorb a large amount of hydrogen, making the volume swell, brittle and even break to pieces. By 1803 English chemist wu ralston found in platinum ore chemical element, spaceflight, aviation and other high-tech fields and auto manufacturing indispensable key materials.

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