DYOS Tool

Pure Elements Group

From the standards library of the SPI Supplies and the C. M. Taylor Company

# AS4020-AB

Boron

B

ElementWt %
B 99.9

Irregular pieces

Name Description SPI # Each
Boron SPI SuppliesŪ Individual Mounted Microanalysis Standard Item AS4020-AB $199.56
Boron SPI SuppliesŪ Individual Loose Microanalysis Standard Item AS4025-AB $199.56

# AS0020-AB

Boron (Alternate)

B

ElementWt %
B 99.5

Source: lump- #00430, Alfa Aesar, MA, USA
At the right is a reflected light micrograph of a polished, carbon coated boron lump. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. Note that boron is extremely hard and therefore stands proud above the surrounding surface.
The trace element composition (ppm) has been determined by XRF as follows: Mg=185, Al=81, Si=2400, P-32, S=25, K=12, Ca=187, Ti=9, Cr=34, Mn=1630, Fe=514, Co=13, Ni=27, Cu=52, Zr=3, Nb=3, W=34

Name Description SPI # Each
Boron SPI SuppliesŪ Individual Mounted Microanalysis Standard Item AS0020-AB $199.56
Boron SPI SuppliesŪ Individual Loose Microanalysis Standard Item AS0025-AB $199.56

   
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Thursday March 18, 2010
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