Figure 5:
Visual observation of solution clarity: a. water; b. 2.8 mg/ml
m
-cresol; c. 100 ppm PS20; d. 100 ppm PS80; e. 2.8 mg/ml
m
-cresol+100 ppm PS20; f. 2.8 mg/ml
m
-cresol+100 ppm PS80; g. 2.8 mg/ml
m
-cresol+800 ppm PS80.
