SPI Standards for Microanalysis
15 Rare Earth Elements

Pure elements or compounds carefully selected for their stability

1.	Yttrium metal	Y	6.	Samarium metal	Sm	11.	Holmium metal	Ho
2.	Lanthanum fluoride	LaF₃	7.	Europium fluoride	EuF₃	12.	Erbium metal	Er
3.	Cerium fluoride	CeF₃	8.	Gadolinium metal	Gd	13.	Thulium metal	Tm
4.	Praseodymium fluoride	PrF₃	9.	Terbium metal	Tb	14.	Ytterbium metal	Yb
5.	Neodymium fluoride	NdF₃	10.	Dysprosium metal	Dy	15.	Lutetium fluoride	LuF₃

The SPI Supplies Fifteen Rare Earth Element Standard is mounted within a 1" (25 mm) diameter x 6 mm high disk, creating a mount that is UHV compatible and can be used with confidence in any UHV system. The mounts are carbon-coated providing conductivity from the metal or fluoride grains to electrical ground. Like all the other SPI standard mounts, there is a Faraday cup (FC) for the precise measurement of beam current.

The same items can be obtained in a half inch (12.5mm) diameter mount.

Standards for Microanalysis Main Page
Microanalysis standard maintenance instructions
Microanalysis standard refurbishing service for SPI Supplies standards

Description	Dimensions	SPI #	Price	In Stock
15 Rare Earth Standard Mount	25mm diameter x 6 mm high	02754-AB	$1524.40	Yes
15 Rare Earth Standard Mount	12.5mm diameter x 6 mm high	02755-AB	1550.00	No

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SPI Standards for Microanalysis15 Rare Earth Elements

SPI Standards for Microanalysis
15 Rare Earth Elements