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3B Scientific™ Electron Diffraction Tube D Series
SDPSCI_ED

Catalog No. S08138
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Electron diffraction tube D Series

Description

Highly evacuated electron tube for demonstrating wave nature of electrons.

  • Analysis by observation of interference caused by passage of electrons through polycrystalline graphite lattice (Debye-Scherrer diffraction)
  • Observed on fluorescent screen
  • Determines wavelength as function of anode voltage from radii of diffraction rings and lattice plane spacing of graphite
  • Confirms de Broglie's hypothesis
  • Max. filament voltage: 6.3VAC
  • Max. anode voltage: 5kV
  • Anode current: approx. 0.1mA at 4kV
  • Lattice constant of graphite: d10= 0.213nm; d11=0.123nm

Specifications

Electrical Requirements Max. filament voltage: 6.3VAC; Max. anode voltage: 5kV
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