SPI Metals Group

	Element	%					erbium
	Er	99.90							This is a reflected light micrograph of polished, carbon coated Erbium. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. This micrograph was taken prior to labelling, so labels are not present Source: lump- #12241, Alfa Aesar, MA, USA

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Name	Description	SPI #	Each
Erbium	SPI SuppliesŪ Individual Mounted Microanalysis Standard Item	AS0370-AB	$199.56