256161.fig.006a
(a)
256161.fig.006b
(b)
Figure 6: SEM micrograph of CA web produced from the binary solvent system acetone : DMAc at a polymer concentration of 25% (w/v). The operating voltage was 25 kV and the flow rate 0.002 (mL min−1) (b) Fibre diameter distribution obtained using optimum spinning conditions.