
DYOS Tool

Synthetic Compounds Group

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

# AS6290-AB

Magnesium Oxide

MgO

Element	Wt %	Oxide	Wt %
O	39.66
Mg	60.10	MgO	99.65
Ca	0.24	CaO	0.33

Sum	100.0	Sum	100.0

2mm cubes
CT

Polished MgO in T100-52 mount

Name	Description	SPI #	Each
Magnesium Oxide	SPI Supplies® Individual Mounted Microanalysis Standard Item	AS6290-AB	$105.00
Magnesium Oxide	SPI Supplies® Individual Loose Microanalysis Standard Item	AS6295-AB	$203.55

# AS2140-AB

Magnesium Oxide

Alternate - either version of this item may be used in our Off-The-Shelf Standards

MgO

Element	Wt %	Oxide	Wt %
O	39.70
Mg	60.30	MgO	100.00

Sum	100.0	Sum	100.0

Source: Atomergic Chemetals Corp. NY, USA

This is a reflected light micrograph of a synthetic, polished, carbon coated magnesium oxide crystal. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. This is a good standard for high concentrations of Mg, particularly in oxide or silicate matrices, and also a good oxygen standard. The pure element oxidizes easily, whereas in this form it is extremely stable with a good surface.

Name	Description	SPI #	Each
Magnesium Oxide	SPI Supplies® Individual Mounted Microanalysis Standard Item	AS2140-AB	$105.00
Magnesium Oxide	SPI Supplies® Individual Loose Microanalysis Standard Item	AS2145-AB	$203.55

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