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Platinum is a lustrous silvery-white, malleable, ductile metal and a member of group 10 of the periodic table of the elements. It has the third highest density, behind osmium and iridium. Platinum is unaffected by air and water, but will dissolve in hot aqua regia, in hot concentrated phosphoric and sulphuric acids, and in molten alkali. It is as resistant as gold to corrosion and tarnishing. Indeed, platinum will not oxidize in air no matter how strongly it is heated.
Platinum was known to native South Americans before the arrival of Columbus and was introduced into Europe around 1750. Platinum is a member of the platinum group metals and is lustrous, malleable and ductile; it has an abundance of approximately 0.001 ppm in the earth's crust. Of the group of six metals (Pt, Pd, Os, Ir, Rh and Ru), it is the most important. It is unaffected by oxygen and water and is only soluble in aqua regia or fused alkalis. Applications for platinum are many and varied; for example, it is used to make weights and measures standards, it is used in the electronics industry for electrical contacts which might be subject to high temperatures, and it is used to manufacture electrodes which might be subject to chemical attack. A current and important use of platinum is in car exhaust catalysts, in which a ceramic honeycomb is coated with platinum. Platinum is also used to manufacture jewellery and, along with gold and silver, has its own hallmark.
Material: | platinum |
Purity: | 99.95% |
Atomic number: | 78 |
| Density | 21.4 g.cm-3 at 20°C |
Melting point | 1772 °C |
Bolling point | 3800 °C |
Dimension | 1 inch, 10mm, 25.4mm, 50mm, or Customized |
Application | Gifts,science,exhibits, collection,decoration, education, research |

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Company Introduction
Shanghai Epoch Material Co., Ltd. is located in the economic center---Shanghai. We always adhere to "Advanced materials, better life" and committee to the Research and Development of technology, to make it used in human beings' daily life to make our life more better.




Welcome all customers from worldwide!
We have customers worldwide, and till now, have establish a good coopperation with Sumsung, LG, LV, as well as many other customers as well, and for further info, please contact us!
| 1) Are you manufacture or trade? We are manufacturer, our factory is located in Shandong, but we can also provide one stop purchasing service for you! 2)Payment terms: T/T(telex transfer), Western Union, MoneyGram, Credit Card, Alibaba Trade Assurance, BTC(bitcoin), etc. 3)Lead time ≤25kg: within three working days after payment received. >25kg: one week | 4)Sample Available, we can provide small free samples for quality evaluation purpose!
5)Package 1kg per bag for samples, 25kg or 50kg per drum, or as you required. 6)Storage Store the container tightly closed in a dry, cool and well-ventilated place. |
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