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

Table 5

The lowest measurable concentration of paracetamol on the membrane.

Optical sensor membrane	Concentration; mg/ml	Reaction time
PMMA- FeCl3 7.5% 7:3	2.55	3’ 17”
PMMA-Folin-Ciocalteu 5% 6:4	4.05	5’
PMMA-Nessler 5% 6:4	4.01	2’ 50”