Experimental investigation on effect of alkali, salts on the rheological properties of polyacrylamide and mixed assembly of polymer-surfactant

Microscopic images for (a) Polyacrylamide at 1.0 wt.%, (b) 1.0 wt.% Polyacrylamide + 20 mmol Gemini 5 + 0.1 wt.% NaOH.232