This activity, like the others in this section, was developed for the previous version of the Higher Chemistry. Some of the context, ‘focus questions’ for instance, is now irrelevant but the experiments themselves may well still be suitable.

This unit comprises a series of experiments relating to water: the calcium/magnesium content, the iron content, the phosphate content and soaps/detergents

Water analysis – student guide

Water Analysis Teacher/Technician Guide