DocumentCode
3448320
Title
Comparison of Density Difference Measurements by Flotation at PTB and NMIJ
Author
Bettin, H. ; Toth, H. ; Waseda, A. ; Fujii, K.
Author_Institution
Phys.-Technische Bundesanstalt, Braunschweig
fYear
2004
fDate
38139
Firstpage
451
Lastpage
452
Abstract
The results of density difference measurements by the flotation apparatuses of NMLJ and PTB for four silicon samples are reported. The flotation method is used to investigate the inhomogeneity and to determine the absolute density of silicon crystals for the determination of the Avogadro constant
Keywords
constants; density measurement; silicon; Avogadro constant; NMIJ; PTB; density difference measurements; flotation apparatuses; silicon crystal absolute density; silicon crystal inhomogeneity; silicon samples; Calibration; Crystals; Density measurement; Isothermal processes; Metrology; Pressure measurement; Silicon; Solids; Temperature; Thermal expansion;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements Digest, 2004 Conference on
Conference_Location
London
Print_ISBN
0-7803-8494-6
Electronic_ISBN
0-7803-8494-6
Type
conf
DOI
10.1109/CPEM.2004.305305
Filename
4097316
Link To Document