Standards for Microanalysis containing Niobium

Niobium containing materials occur in the standard groups listed below.
Follow these links for a list of the members of each group

Click on a name for detals and picture of each Niobium bearing material.
If the same material material occurs in more than one group, there may be differences in composition or grain size.

Name		Formula		Niobium %		SPI SuppliesŪ Mounted Standard Item #	Each	Buy for mount	SPI SuppliesŪ Loose Standard Item #	Each	Buy loose
Niobium		Nb		100.0		AS4210-AB	$199.56		AS4215-AB	$199.56
Niobium		Nb		99.99		AS0210-AB	$199.56
Lithium Niobate		LiNbO3		62.84		AS6230-AB	$199.56		AS6235-AB	$199.56
Strontium Barium Niobate		SrBaNb4O12		47.13		AS6340-AB	$199.56		AS6345-AB	$199.56
Barium Sodium Niobate		Ba2NaNb5O15		46.35		AS6040-AB	$199.56		AS6045-AB	$199.56
SRM-1208-1 Inco 718		Ni52Fe19Cr18Nb5Mo3*		5.3		AS9380-AB	$199.56		AS9385-AB	$199.56
Mn Tantalite		MnTaO4		3.91		AS5190-AB	$199.56		AS5195-AB	$199.56
SRM-662 AISI 94B17 Steel		Fe95Mn1Ni1Cu1*		0.30		AS9250-AB	$199.56		AS9255-AB	$199.56
SRM-664 High Carbon Steel		Fe97C1*		0.157		AS9270-AB	$199.56		AS9275-AB	$199.56
SRM-1244 Nickel-Chromium Alloy		Ni73Cr16Fe10*		0.14		AS9390-AB	$199.56		AS9395-AB	$199.56
SRM-661 AISI 4340 Steel		Fe96Ni2Cr1Mn1*		0.022		AS9240-AB	$199.56		AS9245-AB	$199.56
* This indicates the approximate weight percentages of the major elements rather than the chemical formula.

   

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