A new determination of N/sub A

The Avogadro constant was determined by measurements of the (220) lattice spacing, density, and molar mass of silicon crystals. The measured value is N/sub A/=(6.0221379/spl plusmn/0.0000025)/spl times/10/sup 23/ mol/sup -1/.< >

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Bibliographic Details
Published inIEEE transactions on instrumentation and measurement Vol. 44; no. 2; pp. 538 - 541
Main Authors Basile, G., Becker, P., Bergamin, A., Bettin, H., Cavagnero, G., De Bievre, P., Kutgens, U., Mana, G., Mosca, M., Pajot, B., Panciera, R., Pasin, W., Pettorruso, S., Peuto, A., Sacconi, A., Stumpel, J., Valkiers, S., Vittone, E., Zosi, G.
Format Journal Article
LanguageEnglish
Published IEEE 01.04.1995
Subjects
Atomic measurements
Crystals
Density measurement
Electric variables measurement
Lattices
Optical interferometry
Optical wavelength conversion
Shape
Silicon
Volume measurement
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Summary:The Avogadro constant was determined by measurements of the (220) lattice spacing, density, and molar mass of silicon crystals. The measured value is N/sub A/=(6.0221379/spl plusmn/0.0000025)/spl times/10/sup 23/ mol/sup -1/.< >
ISSN:0018-9456
1557-9662
DOI:10.1109/19.377901