Research Article
Optimization of SPE/GC/HPLC Analytical Procedure for Determination of Phenol, Quinones, and Carboxylic Acids in Water Samples
Table 2
Total recovery determined for each compound in SPE/GC/HPLC procedure.
| COMPOUND | BM-DVB | DMN-DVB | MEDDE-DVB | MEMDE-DVB | SDB-1 | (%) | | (%) | | (%) | | (%) | | (%) | |
| Phenol-acetic deriv. | 92.27 | 1.51 | 89.37 | 3.06 | 64.65 | 0.72 | 50.35 | 1.90 | 100.19 | 5.22 | Hydroquinone-acetic deriv. | 49.07 | 4.91 | 49.08 | 5.21 | 38.21 | 5.23 | 34.70 | 3.20 | 48.88 | 4.14 | Benzoquinone | 98.97 | 2.20 | 90.74 | 3.77 | 91.21 | 5.14 | 84.92 | 1.75 | 102.82 | 2.12 | Maleic acid | 87.26 | 1.53 | 89.50 | 1.49 | 83.30 | 1.60 | 81.42 | 1.64 | 87.13 | 1.53 | Fumaric acid | 72.70 | 5.54 | 67.58 | 8.39 | 76.92 | 4.18 | 73.77 | 8.11 | 77.47 | 7.54 |
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: standard deviation.
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