Radioactivity with the radium preparation

SP6.2
Radioactivity with the radium preparation
Radioactivity with the radium preparation

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This experiment/set up contains dangerous goods.
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Description

Investigation of the Geiger-Müller counter tube

  • Detection of radioactivity by means of a Geiger-Müller counter tube
  • Safety rules for the handling of radioactive materials
  • Number of pulses N and count rate R
  • The behaviour of the Geiger-Müller counter tube without a source of radiation
  • Investigation of the radiation transmission of the window and the cylinder wall of the Geiger-Müller counter tube
  • Count rate when the inlet window is screened
  • Count rate for different sizes of the inlet
  • Count loss of a counter tube

Investigation of the preparation

  • Investigation of the radiation beam from the preparation
  • Investigation of the radiation leaving the preparation
  • Investigation of the radiation beam from the preparation behind an aluminium slide
  • Dependency of the count rate on the distance between preparation and counter tube

Statistics of radioactive decay

  • Investigation of variability during the measurement of the number of pulses
  • Statistical investigation for a small number of pulses
  • Statistical investigation for a large number of pulses
  • Absolute and relative errors of a measurement

Investigation of various radioactive sources

  • Investigation of potassium sulphate
  • Investigation of Brazil nut ash

Investigation of the different radiation types

  • Distinguishing α, β and γ radiation by means of different absorbers
  • The reach of α radiation in air
  • Influence of a magnetic field on β and γ radiation

Investigation of β radiation

  • Absorption of β radiation by paper
  • Absorption of β radiation by aluminium
  • Scattering of β radiation by a sheet of paper
  • Backscattering of α and β radiation by means of different materials

Screening of γ radiation

  • Screening of γ radiation by means of different materials
  • Half-value layer thickness for γ radiation when passing through lead

Technical applications of radioactive radiation

  • Contents control by means of radioactivity
  • Level control by means of radioactivity
  • Detection of cavities by means of radioactivity
  • Measurement of layer thickness by means of radioactivity
  • Measurement of layer thickness by means of radioactive radiation (irradiation)

Components of equipment sets

1 588855S  4  Advanced Science Kit - Set RAD 1 LD
1 55901  4  End-window counter with cable for α, β, γ and X-rays LD
1 575471  8  Counter S LD
1 559436  8  Ra 226 preparation, 5 kBq LD
Additionally recommended or 2 groups work together:
1 559436  8  Ra 226 preparation, 5 kBq LD
1 686653  4  Holders for counter tube and preparation LD
1 additionally recommended experiment description:
588 62EN LIT: PS6.2 Radioactivity, radium preparation
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