DocumentCode
2181975
Title
A more accurate value for the Avogadro constant
Author
De Bievre, P. ; Valkiers, S. ; Becker, P. ; Ludicke, F. ; Spieweck, F. ; Stumpel, J.
Author_Institution
Inst. for Reference Mater. & Meas., Eur. Commission, Geel, Belgium
fYear
1994
fDate
June 27 1994-July 1 1994
Firstpage
503
Abstract
Significant improvements in the method to determine the absolute molar mass of silicon have been achieved and are reported. They enable one to reduce the uncertainty contribution of the molar mass to the uncertainty of a previously published Avogadro constant N/sub A/. The new value for N/sub A/ and its reduced uncertainty is reported.<>
Keywords
constants; density measurement; density of solids; elemental semiconductors; isotope detection; isotope relative abundance; measurement errors; silicon; Avogadro constant; Si; Si isotopes; absolute molar mass; isotopic composition; measurement errors; uncertainty; Chemical processes; Crystals; Ion sources; Isotopes; Mass spectroscopy; Mechanical variables measurement; Pressure measurement; Silicon; Uncertainty; Vacuum systems;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements, 1994. Digest., 1994 Conference on
Conference_Location
Boulder, CO, USA
Print_ISBN
0-7803-1984-2
Type
conf
DOI
10.1109/CPEM.1994.333195
Filename
333195
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