Table 6.
Suspect analysis of pharmaceutical and personal care products in the Msunduzi and Mgeni Rivers.
| Suspect Analytes | Schymanski Assessment Level [43] | Chemical Formula | Fragment Pattern m/z | River Water | Wastewater | Sediments | Biosolids | Similarity Index |
|---|---|---|---|---|---|---|---|---|
| Clofibric acid | 2 | C10H11ClO3 | 39, 99, 128, 130, 214 | Detected | Detected | - | Detected | 75 |
| Codeine | 2 | C18H21NO3 | 115, 162, 214, 229, 299 | - | Detected | - | - | 80 |
| Oxazepam | 2 | C15H11ClN2O2 | 77, 205, 233, 239, 268 | - | Detected | - | - | 76 |
| Trimethoprim | 1 | C14H18N4O3 | 123, 200, 243, 259, | - | - | - | Detected | 91 |
| Nicotine | 2 | C10H14N2 | 42, 84, 161 | - | - | - | Detected | 75 |
| Amphetamine | 1 | C9H13N | 44, 65, 91, 120 | - | Detected | - | - | 95 |
| Benzoylecgonine | 1 | C16H19NO4 | 77, 82, 94, 124, 138, | - | Detected | - | - | 95 |
| Benzocaine | 2 | C16H11NO2 | 65, 92, 120, 137, 165 | - | - | Detected | - | 80 |
| Cotinine | 2 | C16H19NO4 | 98, 176 | - | - | - | - | 79 |
| Propranolol | 2 | C16H21NO2 | 30, 72, 115, 144, 331 | Detected | - | - | - | 80 |
| Azelaic acid | 2 | C9H14Cl2O2 | 55, 83, 124, 152, 367 | Detected | - | - | - | 82 |
| 4-Oxoisophorone | 2 | C9H12O2 | 39, 68, 96, 152 | - | Detected | - | - | 80 |
| Musk xylene | 2 | C12H15N3O6 | 43, 282 | - | - | Detected | - | 80 |
| 2-Pyrrolidone | 2 | C4H7NO | 73, 142, 157 | - | Detected | - | 81 | |
| 2-Phenoxyethanol | 2 | C8H10O2 | 77, 94, 138 | Detected | - | - | 79 |