Prelaboratory Questions And Problems

*1. The pH is a key parameter in the present experiment. Calculate and plot the distribution diagram of EDTA as a function of pH. Predict what would happen if a pH of 2 were used? A pH of 4? Why is a high pH recommended for the present experiment?

2. Find in the literature at least three direct photolytic processes used for the destruction of wastes.

3. When should an indirect method be considered for the photodestruction of a waste?

* Answer in this book's webpage at

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