Boron Nitride ceramic disk. | |||
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Boron Nitride ceramic disk. This ceramic-like disk came from a scrap yard and was claimed to be or contain boron. I don't think it's pure boron, but it could well be a boron nitride ceramic. Unfortunately the analytical instruments available to me don't work on low atomic number elements, so I have no good way of testing what it really is. Source: John Wechselberger Contributor: John Wechselberger Acquired: 15 April, 2004 Price: Donated Size: 4.5" Purity: <50% | |||
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