Research Article
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 |
|
|