Table 2 Recovery and reproducibility results for determination of parabens achieved for two real samples
Analyte added | Sample | Analyte added (µg/L) | Analyte found (µg/L) | Recovery | RSD% (n = 3) |
|---|---|---|---|---|---|
MP | Wastewater | – | – | – | – |
20 | 19.3 | 96.5 | 1.6 | ||
85 | 86.0 | 101.1 | 1.4 | ||
140 | 134.0 | 95.7 | 3.6 | ||
MP | Shampoo | – | – | – | |
20 | 20.0 | 100.0 | 4.1 | ||
85 | 87.0 | 102.3 | 3.4 | ||
140 | 134.6 | 96.1 | 2.2 | ||
PP | Wastewater | – | – | – | – |
20 | 20.0 | 100.0 | 2.1 | ||
85 | 81.6 | 96.0 | 2.4 | ||
140 | 135.0 | 96.4 | 1.9 | ||
PP | Shampoo | – | – | – | – |
20 | 20.0 | 100.0 | 1.1 | ||
85 | 86.6 | 101.9 | 1.3 | ||
140 | 133.5 | 95.4 | 2.3 |