Introduction
In this section, some recommendations are
made as to the methods to be used in the DPPH
technique, and in the interpretation of the experimental data. They arise in part from trying to disentangle the method as used in a number of recent
papers. It seems that the basis of the original Blois
procedure has been lost sight of with the passage
of time, and that some pitfalls have therefore
appeared in the application of this apparently
straightforward technique