Table 1.
The results of linearity, LOD, LOQ and reproducibility study using dual detectors.
| Chemicals | Amperometric detection (Peak current, nA) | UV absorption (Peak height, mAU) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
||||||||||
| Linear (μM) | LOD (μM) | LOQ (μM) | %RSD | Sensitivity (nN/ μM) | Linear (μM) | LOD (μM) | LOQ (μM) | %RSD | Sensitivity (mAU/ μM) | |
| 2,5-DHBA | 0.25-125 | 0.11 | 0.37 | 0.77 | 0.4181 | 0.50-500 | 0.15 | 0.48 | 2.39 | 0.1068 |
| 2,3-DHBA | 0.25-125 | 0.18 | 0.59 | 1.07 | 0.3506 | 0.50-500 | 0.19 | 0.63 | 3.67 | 0.2038 |
| Catechol | 0.25-125 | 0.23 | 0.77 | 1.43 | 0.3735 | 1.25-500 | 0.24 | 0.79 | 3.35 | 0.9296 |
| SA | ND | ND | ND | ND | ND | 0.50-500 | 0.05 | 0.17 | 0.86 | 0.6182 |
ND = Not detected