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

Table 4

The elemental content of the membrane.

Membrane	Element	Element concentration (%)
PMMA-FeCl3 7.5% 7:3	Carbon	70.944
	Oxygen	26.268
	Chlorine	1.846
	Iron	0.942
PMMA-Folin-Ciocalteu; 5% 6:4	Carbon	59.462
	Oxygen	36.219
	Sodium	1.233
	Phosphor	0.674
	Sulphur	1.432
	Chlorine	0.651
	Tungsten	0.330
PMMA-Nessler’s reagent; 5% 6:4	Carbon	72.478
	Oxygen	18.102
	Chlorine	5.741
	Potassium	1.074
	Mercury	2.605