Synthetic Compounds Group

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

# AS2040-AB

Boron Nitride


ElementWt %
B 43.56
N 56.44


2.0mm cubes
Source: Union Carbide

Polished BN in 02753-AB mount
This is a reflected light micrograph of polished, carbon coated synthetic boron nitride crystals. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument.
This BN, of the so-called "pyrolitic" variety, is a popular standard for light element analysis. As can be seen the crystals are large and take a good polish.
The BKą X-ray is too low in energy to be seen on most EDS detectors, though the NKą line can just be seen in the EDS spectrum above.

Name Description SPI # Each
Boron Nitride SPI Supplies® Individual Mounted Microanalysis Standard Item AS2040-AB $
Boron Nitride SPI Supplies® Individual Loose Microanalysis Standard Item AS2045-AB $

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