Research Article
Determination of Phthalate Plasticisers in Palm Oil Using Online Solid Phase Extraction-Liquid Chromatography (SPE-LC)
Table 3
Effect of the fat retainers on the recovery and repeatability of phthalate extraction from spiked samples (1 mg/L).
| | | Aluminium oxide |
Alumina active 90 | Florisil | Compounds
| (basic alumina) |
neutral | | | % Recovery | % RSD | % Recovery | % RSD | % Recovery | % RSD |
| | DMP | 97.8 | 2.8 | 91.8 | 9.6 | 15.6 | 74.3 | | DEP | 59.4 | 2.3 | 78.1 | 8.8 | 29.1 | 20.8 | | DnPP | 103.8 | 0.9 | 0.0 | — | 0.0 | — | | DPhP | 93.3 | 3.6 | 70.6 | 25.3 | 0.0 | — | | BBP | 102.1 | 0.8 | 90.3 | 27.6 | 39.7 | 44.4 | | DBP | 94.0 | 3.3 | 74.1 | 31.8 | 23.3 | 44.6 |
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