Impurities in a 28Si-Enriched Single Crystal Produced for the Realization of the Redefined Kilogram.
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DOI: 10.1021/acs.analchem.7b01957
Abstract: The practical realization of the unit of mass is possible by manufacturing a perfect one-kilogram sphere from a 28Si-enriched single crystal. The mass of the sphere can be determined in terms of a fixed value… read more here.
Keywords: crystal produced; single crystal; mass; enriched single ... See more keywords
Determination of the Avogadro constant by the XRCD method using a 28Si-enriched sphere
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DOI: 10.1088/1681-7575/aa77d1
Abstract: To determine the Avogadro constant N A by the x-ray crystal density method, the density of a 28Si-enriched crystal was determined by absolute measurements of the mass and volume of a 1 kg sphere manufactured… read more here.
Keywords: avogadro; mass volume; value; avogadro constant ... See more keywords