Research Article
Optimization of SPE/GC/HPLC Analytical Procedure for Determination of Phenol, Quinones, and Carboxylic Acids in Water Samples
Table 1
Correction factors, coefficient (R 2), LOD, and linear range for different compounds determined in GC and HPLC analysis.
| | Compounds | Correction factor | R
2 | LOD (μg/mL) | Linear range (μg/mL) | | GC | HPLC | GC | HPLC | GC | HPLC | GC | HPLC |
| | Phenol | 3.89e-7 | 7.49e-4 | 0.9998 | 0.9977 | 50.0 | 25.0 | 50–480 | 50–250 | | Phenol-acetic deriv. | 4.02e-7 | — | 0.9976 | — | 50.0 | — | 50–500 | — | | Hydroquinone | 4.79e-7 | 6.12e-4 | 1.000 | 0.9189 | — | 31.0 | — | 40–1000 | | Hydroquinone-acetic deriv. | 4.74e-7 | — | 0.9998 | — | 100.0 | — | 31–1000 | — | | Benzoquinone | 7.66e-7 | 8.67e-4 | 0.9982 | 0.9996 | 50.0 | 0.05 | 50–1500 | 0.2–200 | | Maleic acid | — | 199.0e-4 | — | 0.9994 | — | 2.00 | — | 4–4500 | | Fumaric acid | — | 94.0e-4 | — | 0.9988 | — | 5.00 | — | 5–2000 |
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