Table 1 Optimization of composition (w/w %) of SPCEs sensors
From: Disposable screen-printed sensors for determination of duloxetine hydrochloride
Types | No | PVC w% | DOP w% | Carbon w% | DL-PMA (mg) | PMA (mg) | Slope | %RSD* | Linear Conc. Range (Mol L-1) |
|---|---|---|---|---|---|---|---|---|---|
Plain (Soaking electrode) | (a) | 7.7 | 34.6 | 57.7 | --- | --- | 57.0 | 0.4 | 1.0 × 10-6-1.0 × 10-2 |
(b) | 10.0 | 45.0 | 45.0 | --- | --- | 56.0 | 1.2 | 1.0 × 10-5-1.0 × 10-2 | |
(c) | 8.5 | 36.7 | 54.8 | --- | --- | 54.0 | 0.9 | 1.0 × 10-5-1.0 × 10-2 | |
Modified | (a) | 7.7 | 34.6 | 57.7 | 20 | ---- | 58.0 | 0.8 | 1.0 × 10-6-1.0 × 10-2 |
(b) | 10.0 | 45.0 | 45.0 | 20 | ---- | 57.5 | 0.2 | 5.0 × 10-5-1.0 × 10-2 | |
(c) | 8.5 | 36.7 | 54.8 | 20 | ---- | 55.0 | 0.6 | 1.0 × 10-6-1.0 × 10-2 | |
In situ | (a) | 7.7 | 34.6 | 57.7 | --- | 50 | 55.0 | 0.4 | 1.0 × 10-6-1.0 × 10-2 |
(b) | 10.0 | 45.0 | 45.0 | --- | 50 | 52.0 | 0.7 | 1.0 × 10-5-1.0 × 10-2 | |
(c) | 8.5 | 36.7 | 54.8 | --- | 50 | 54.5 | 0.8 | 1.0 × 10-6-1.0 × 10-3 |