The critical coalescence concentration, expressed as
CCC95, characterizes the reagent ability to prevent the
bubble coalescence [3]. The values of CCC95 are
estimated based on the chemical structure of the frother,
that is its relative molecular mass (M) and hydrophiliclipophilic
balance [10]. The CCC95 indicates the frother
concentration at which there is a 95% reduction in the
mean bubble size in comparison to the mean bubble size
in water only