Author :
Basile, Giuseppe ; Becker, Peter ; Bergamin, Angelo ; Bettin, Horst ; Cavagnero, Giovanni ; De Bièvre, Paul ; Kütgens, Ulrich ; Mana, Giovanni ; Mosca, Mario ; Pajot, Bernard ; Panciera, Renzo ; Pasin, Walter ; Pettorruso, Savino ; Peuto, Anna ; Sacconi,
Abstract :
The Avogadro constant was determined by measurements of the (220) lattice spacing, density, and molar mass of silicon crystals. The measured value is NA=(6.0221379±0.0000025)×10 23 mol-1
Keywords :
atomic mass; constants; density; density measurement; lattice constants; mass measurement; silicon; (220) lattice; Avogadro constant; NA; Si; Si crystals; chemical parity; density; molar mass; molar volume; spacing; Atomic measurements; Crystals; Density measurement; Electric variables measurement; Lattices; Optical interferometry; Optical wavelength conversion; Shape; Silicon; Volume measurement;