Radionuclides in Drinking Water
Module 1: Basics of Radioactivity
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The structure of the atom is essential to the study of radioactive decay and radiochemistry. The module "Basics of Atomic Radioactivity"
The module is an overview of these concepts and should take about 20-25 minutes to complete.
The second part of this module develops the laws of radioactive decay parent and progeny relationships, types of radioactive decay and calculations involved with determination of activity. Several examples are provided for a more thorough understanding of the basic concepts behind the natural radioactive decay chains and the relationship of these radionuclides. It is essential to work through the many examples provided in this module in order to become familiar with the radioactive decay laws. This module should take about 60-70 minutes to complete.
This module is divided into 3 tutorials. Each tutorial is presented as a self-paced Adobe Flash video with audio narration. The learning aids that are provided for you to use in this module, which you may access via the links in the "Instructional Resources" panel on the right, include the "Multi-Agency Radiological Laboratory Analytical Protocols Manual" (MARLAP) section on radioactive decay and equilibrium, a Periodic Table of the Elements and example diagrams of radioactive decay chains. You may wish to print out the PDF transcript of the audio narration, also available from a link in the "Instructional Resources" panel. The "Links to Additional Information" provide more in-depth discussions of these topic areas.
Tutorial 1.2 - Introduction to Radioactivity
Tutorial 1.3 - Decay Chains and Radiochemical Equilibria