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Tungsten Sample

From(the seller): metal recycler三点 测娇A tungsten sample. I don’t know the specific preparation method for this sample yet, perhaps it is physical vapor deposition method? Tumor like tungsten particles grown on small discs of pure tungsten. This is a common, inexpensive, and interesting sample

Molybdenum and Tungsten Crystal

Tungsten (left) and molybdenum (right) prepared by physical vapor deposition method are said to be produced by long-term use of tungsten crucibles for sublimation in a vacuum high-temperature environment in sapphire production plants. Distributed to element collectors through some metal recyclers. This is an easily obtainable but very interesting sample, however, the purity of the …

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