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Explain how a scintillation counter works.

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 23Q Chapter 17

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 23Q

Explain how a scintillation counter works.

Step-by-Step Solution:
Step 1 of 3

Step-1

Scintillator:-

A scintillator is a material that exhibits scintillation — the property of luminescence, when excited by ionizing radiation. Luminescent materials, when struck by an incoming particle, absorb its energy and scintillate, (i.e. re-emit the absorbed energy in the form of light).

Step-2

Scintillation counter:-

The  scintillation  counter  is  a  solid  state radiation  detector  which  uses  a  scintillation  crystal(phosphor) to detect radiation and produce light pulses.  Figure 24 is important in the explanation of scintillation counter operation.As radiation interacts in the Figure below. Electronic energy band of an Ionic Crystal scintillation crystal, energy is transferred  to  bound  electrons  of  the crystal’s  atoms.   If  the  energy  that  is transferred is greater than the ionization  energy,  the  electron  enters the  conduction  band  and  is  free  from the binding forces of the parent atom.This  leaves  a  vacancy  in  the  valence band...

Step 2 of 3

Chapter 17, Problem 23Q is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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