Wire deposition crystal bar. | |||
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Wire deposition crystal bar. This is a lovely short bar of high-purity hafnium metal. It is grown on a wire (you can see the core on the cut face) from a vapor of a hafnium compound, possible hafnium iodide though I am not sure of this. Max Whitby buys this kind of material from China which has become the dominant supplier of a lot of the somewhat unusual elements (not to mention a lot of everything else). This is one rod from a lot he got for the series of museum periodic table displays we are working on. Source: Max Whitby of RGB Contributor: Max Whitby of RGB Acquired: 1 November, 2003 Text Updated: 11 August, 2007 Price: Donated Size: 1" Purity: 99.9% | |||
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