Table 2 Analytical performance of various DL-SPCEs
From: Disposable screen-printed sensors for determination of duloxetine hydrochloride
Parameter | Modified | In situ | Plain (Soaked) |
|---|---|---|---|
Concentration range (mol L-1) | 1.0 × 10-6 - 1.0 × 10-2 | 1.0 × 10-6 - 1.0 × 10-2 | 1.0 × 10-6 - 1.0 × 10-2 |
Slope (mV decade-1) | 58 ± 1 | 55 ± 2 | 57 ± 0.4 |
Correlation coefficient, r | 0.9999 | 0.9998 | 0.9999 |
LOD (mol L-1) | 5.0 × 10-7 | 5.0 × 10-7 | 5.0 × 10-7 |
Response time (s) | 2.8 | 5.0 | 2.8 |
Operation lifetime (days) | 27 | 20 | 20 |
Shelf lifetime (months) | 6 | 6 | 6 |
Working pH range | 3-8 | 3-8 | 3-8 |