Table 6.
S.No. | Buffer | Detection (nm) | Linear range (μg/mL) | LOD (μg/mL) | LOQ (μg/mL) | Application | Reference |
---|---|---|---|---|---|---|---|
1 | – | 224 | 6–60 μmol/L | 1.73 μmol/L | – | Tablets and sprays | [42] |
2 | Acetate buffer solution | Conductivity and amperometry | 1.46–36.4 | 0.11 | – | Pharmaceutical products | [43] |
10–1000 μmol/L | |||||||
3 (a) | Phosphate buffer (pH 2.30) | – | 0.5–15 | 0.40 | 1.30 | – | [44] |
(b) | Formic acid (pH 2.15) | – | 0.5–15 | 0.22 | 0.72 | – | |
4 | 0.05 μmol/L | 220 | – | 0.08 μmol | 0.28 μmol | Body fluids | [62] |
Phosphate buffer (pH 2.2) |