Table 3.
Removal of parabens in spiked samples by using β-CD-TDI(b) polymer.
| Sample | Methyl paraben | Ethyl paraben | Propyl paraben | Benzyl paraben | ||||
|---|---|---|---|---|---|---|---|---|
| % removed | R.S.D. (%) | % removed | R.S.D. (%) | % removed | R.S.D. (%) | % removed | R.S.D. (%) | |
| Deionized water (Standard) | 33.56 | 1.88 | 51.55 | 2.62 | 95.51 | 1.31 | 100.00 | 0.00 |
| Tap water | 29.76 | 7.37 | 48.07 | 11.04 | 89.98 | 7.82 | 100.00 | 0.00 |
| Drinking water | 32.58 | 2.76 | 52.42 | 0.41 | 97.93 | 1.43 | 100.00 | 0.00 |
| River water | 28.56 | 5.92 | 46.28 | 5.30 | 88.29 | 4.31 | 100.00 | 0.00 |
| Swimming pool water | 27.09 | 0.27 | 47.35 | 3.59 | 93.34 | 2.89 | 100.00 | 0.00 |
| Waste water effluent | 24.24 | 2.41 | 38.77 | 1.61 | 73.63 | 2.21 | 100.00 | 0.00 |
| Soy sauce | 28.74 | 6.97 | 44.49 | 9.62 | 85.66 | 6.15 | 100.00 | 0.00 |
| Mouth rinse | 20.87 | 3.83 | 44.99 | 7.74 | 84.03 | 6.79 | 100.00 | 0.00 |