Table 4.
Regression equation, correlation coefficient (R2), relative standard deviation (RSD), limit of detection (LOD), and limit of quantification (LOQ) of the analysis of starch/PANI (0.1%, 0.2%, 0.3%, 0.4%, 0.5%) films as ammonia sensor.
| Polymer Films | Regression Equation | R2 | RSD (%) | LOD (ppm) | LOQ (ppm) | |
|---|---|---|---|---|---|---|
| Slope | Intercept | |||||
| Starch/PANI 0.1% | 0.0002 | 1.0891 | 0.9238 ** | 1.95 | 812 | 2459 |
| Starch/PANI 0.2% | 0.0003 | 1.1227 | 0.9208 ** | 2.38 | 166 | 502 |
| Starch/PANI 0.3% | 0.0004 | 1.1670 | 0.9200 ** | 6.10 | 148 | 448 |
| Starch/PANI 0.4% | 0.0004 | 1.3015 | 0.9359 ** | 8.72 | 145 | 440 |
| Starch/PANI 0.5% | 0.0004 | 1.1562 | 0.9379 ** | 12.41 | 167 | 505 |
** p < 0.01.