Research Article

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

Table 6

The stability time of optical sensor membrane.

Optical sensor membraneStability time (day)

PMMA-FeCl3 7.5% 7:3122
PMMA-Folin-Ciocalteu 5% 6:4125
PMMA-Nessler 5% 6:4125