Design of Optical Sensor Membrane Based on Polymer Poly(methyl methacrylate) for Paracetamol Detection in Traditional Herbal Medicine

Figure 1

Morphology of the optical sensor membrane by SEM-EDX: (a) PMMA-FeCl₃ 7.5% 7:3; (b) PMMA-Folin-Ciocalteu 5% 6:4; (c) PMMA-Nessler 5% 6:4.

(a)

(b)

(c)