Research Article

Preparation and Kinetic Studies of Cross-Linked Chitosan Beads Using Dual Crosslinkers of Tripolyphosphate and Epichlorohydrin for Adsorption of Methyl Orange

Figure 4

SEM images of cross-linked chitosan beads using 5% (v/v) ECH immersed in TPP 1% for 3 h (a), TPP 5% for 3 h (b), TPP 10% for 3 h (c), and TPP 10% for 12 h (d) with magnification of 5000x. Inset pictures are SEM images of the beads with a magnification of 100x.
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