SPI Metals Group

	Element	%					copper
	Cu	99.999							This is a reflected light micrograph of polished, carbon coated copper wire. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. Source: .5mm wire- #10973, Alfa Aesar, MA, USA

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Name	Description	SPI #	Each
Copper	SPI SuppliesŪ Individual Mounted Microanalysis Standard Item	AS0150-AB	$199.56