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CAT NO: DIDACTICNPS0049
Rutherford Scattering.
The apparatus for Rutherford scattering enables students to repeat the famous experiment of scattering of alpha particles that was essential for the discovery of atom structure.
This equipment consists of a cylindrical chamber of transparent acrylic material with diameter of 5.5 inches and length of 9.8 inches.
A source of alpha particles, a collimator for producing a thin flow of particles and a golden sheet for scattering the beam are available at one of the ends of this chamber.
The opposite side of the chamber is provided with a removable lid on which a sheet sensitive to alpha particles is arranged.
During the experiment, the beam of particles comes out of the collimator and it is scattered by the golden atoms on the sheet.
Travelling inside the tube the beam strikes the film where impacts are recorded.
The particles striking the film appear as clear spots on a red background after the development in bath of sodium hydroxide.
Each apparatus includes five sheets of non light-sensitive film.
A source of alpha particles (Po-210) is installed inside the chamber.
Furthermore the equipment also includes a grating where the detecting film can be spread to define the scattering angle.
TECHNICAL CHARACTERISTICS
Source Po-210 for the collimator
Detector: film sensitive to alpha particles, with diameter of 10 cm
Exposure time: approximately 7 days
Processing: film is developed in a solution of sodium hydroxyde 2.5 N
Angle of beam: 2.5°
Deflection angle : ±2°, symmetrically around the axis
Golden scattering sheet: 4.5 x 10-5 cm of thickness
Dimensions : 15 (h) x 14 x 25 cm
Weight: 7 kg
ACCESSORIES (to be included)
vacuum pump
beaker
vacuum pump
Motor-driven vacuum pump.
Motor: 1/6 HPHA
Flow rate of air: 38 LPM
Vacuum: 650 mm
Weight: 4.8 kg
It includes vacuum gauge and lung
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