SPI Synthetics Group

	Element	%					boron_nitride
	B	43.56							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. Source: Atomergic Chemetals Corp. NY, USA
	N	56.44
	Sum	100.0

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Name	Description	SPI #	Each
Boron Nitride	SPI SuppliesŪ Individual Mounted Microanalysis Standard Item	AS2040-AB	$199.56