| | |  Length of rod, bent. This is a short length of rod, about 2 inches long and 5/16 inch diameter, obviously nipped off at both ends with some bolt butters or a sheer.  It's fairly heavy, but not otherwise impressive compared to the same thing out of steel.  Analysis by x-ray fluorescence spectroscopy at the Center for Microanalysis of Materials, University of Illinois (partially supported by the U.S. Department of Energy under grant DEFG02-91-ER45439) indicates it is pure tantalum within the detection limits of the machine.
 Source: Neil Lipson
 Contributor: Theodore Gray
 Acquired: 12 July, 2002
 Price: $10
 Size: 2"
 Purity: >99.9%
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