Principle
Various saturated solutions are subjected to polychromatic
X-rays. The energy of the resulting fluorescence radiation is
analysed with the aid of a semiconductor detector and a
multi-channel analyser. The energy of the corresponding
characteristic X-ray fluorescence lines is determined. The elements
of the samples are identified by comparing the line energies with
the corresponding table values.
Tasks
- Calibrate the semiconductor energy detector with the aid of the
characteristic radiation of the tungsten X-ray tube.
- Record the fluorescence spectra of saturated potassium bromide
and lead chloride solutions.
- Determine the energy values of the corresponding fluorescence
lines and comparison with the corresponding table values.
What you can learn about
- Bremsstrahlung
- characteristic X-radiation
- energy levels
- fluorescent yield
- solubility
- solubility product
- semiconductor energy detectors
- multi-channel analysers
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