Table 2.
Physicochemical properties of the selected compounds.
| Analytes | MW (g/mol) | Formula | CAS Number | LogKow | pKa * | Solubility * (mg/L) | Classification |
|---|---|---|---|---|---|---|---|
| Caffeine | 194.19 | C8H10N4O2 | 58-08-2 | −0.07 | 6.1; 0.73 | 2.16 × 104 | Stimulant |
| Atenolol | 266.34 | C14H22N2O3 | 29122-68-7 | 0.16 | 13.88; 9.16 | N/A | β--blocker |
| Metoprolol | 267.36 | C15H25NO3 | 51384-51-1 | 1.88 | 9.68 | N/A | β--blocker |
| Amoxicillin | 365.4 | C16H19N3O5S | 26787-78-0 | 0.91 | N/A | N/A | β-lactams Antibiotic |
| Trimethoprim | 290.32 | C14H18N4O3 | 738-70-5 | 0.87 | 6.3; 4.0; 7.2 | 12100 | Pyrimethamine antibiotic |
| Sulfadimidine | 278.33 | C12H14N4O2S | 57-68-1 | 0.89 | 7.4 | 1500 | Sulfonamides antibiotics |
| Sulfamethoxazole | 253.27 | C10H11N3O3S | 723-46-6 | 0.48 | 2.1; 5.81; 1.39 | 610 | Sulfonamides antibiotics |
| Norfloxacin | 319.33 | C16H18FN3O3 | 70458-96-7 | −1.03 | N/A | N/A | Fluoroquinolone antibiotics |
| Ofloxacin | 361.37 | C18H20FN3O4 | 82419-36-1 | −0.39 | N/A | N/A | Fluoroquinolone antibiotics |
| Ciprofloxacin | 331.34 | C17H18FN3O3 | 85721-33-1 | 0.28 | N/A | 3.0 × 104 | Fluoroquinolone antibiotics |
| Lomefloxacin | 351.35 | C17H19F2N3O3 | 98079-51-7 | −0.23 | N/A | N/A | Fluoroquinolone antibiotics |
| Enrofloxacin | 359.4 | C19H22FN3O3 | 93106-60-6 | −0.63 | N/A | N/A | Fluoroquinolone antibiotics |
| Oxytetracycline | 460.43 | C22H24N2O9 | 79-57-2 | −0.9 | 3.27 | N/A | Tetracycline antibiotics |
| Tetracycline | 444.44 | C22H24N2O8 | 60-54-8 | −1.37 | 3.30 | N/A | Tetracycline antibiotics |
| Chlortetracycline | 478.88 | C22H23ClN2O8 | 57-62-5 | −0.9 | 3.30 | N/A | Tetracycline antibiotics |
| Doxycycline | 444.44 | C22H24N2O8 | 564-25-0 | −0.02 | 3.30 | N/A | Tetracycline antibiotics |
| Clarithromycin | 747.95 | C38H69NO13 | 81103-11-9 | 3.16 | 8.9 | 0.33 | Macrolide antibiotics |
| Erythromycin-H2O | 715.916 | C37H65NO12 | 23893-13-2 | 3.06 | 8.9 | 1.44 | Macrolide antibiotics |
| Roxithromycin | 837.05 | C41H76N2O15 | 80214-83-1 | 1.7 | 8.8 | 0.019 | Macrolide antibiotics |
| Azithromycin | 748.98 | C38H72N2O12 | 83905-01-5 | 4.02 | 8.8 | N/A | Macrolide antibiotics |
| Carbamazpine | 236.27 | C15H12N2O | 298-46-4 | 2.25 | 13.90; −0.49 | 112 | Antiepilepti |
| Benzhabeite | 361.82 | C19H20ClNO4 | 41859-67-0 | N/A | N/A | N/A | Antihypercholesterolemic |
| Bisphenol A | 228.29 | C15H16O2 | 80-05-7 | 3.32 | 9.73 | 120 | Plasticizer |
| Nonylphenol | 220.35 | C15H24O | 25154-52-3 | 5.76 | 10.14 | N/A | Plasticizer |
| Estrone | 270.37 | C18H22O2 | 53-16-7 | 3.13 | 10.25; 10.5 | N/A | Hormone |
| 17β-Estradiol | 272.38 | C18H24O2 | 50-28-2 | 4.01 | 10.27; 10.4 | 3.6 | Hormone |
| Estriol | 288.38 | C18H24O3 | 50-27-1 | 2.45 | 10.25; >15 | 444 | Hormone |