Fig. 3From: Maximizing production of cellulose nanocrystals and nanofibers from pre-extracted loblolly pine kraft pulp: a response surface approachResponse surface and contour plots showing interaction effects of different process parameters on CNC yield: a acid concentration × temperature; b acid concentration × hydrolysis duration; c acid concentration × particle size; d temperature × hydrolysis duration; e particle size × hydrolysis duration, and f particle size × temperatureBack to article page