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This Standard Reference Material (SRM) consists of a sintered alumina disc intended for the calibration of X-ray powder diffraction equipment with respect to line position and intensity as a function of 2? angle. The solid form of the SRM eliminates any variability in intensity measurements introduced by the sample loading procedure. A unit of NIST-1976c consists of a sintered alumina disc approximately 25.6 mm in diameter by 2.2 mm in thickness. /// Sample value(s) - please ask for current certificate.



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National Institute of Standards and Technology

NIST provides over 1300 Standard Reference Materials® as well as articles and practice guides describing the development, analysis and use of SRMs.

NIST Standard Reference Materials are used by analytical laboratories in industry, academia and government in order to facilitate commerce and trade and to advance research and development. The SRMs are produced by the engineering laboratory, the material measurement laboratory, and the physical measurement laboratory at NIST. They are available for chemical composition, physical properties, and engineering materials.