| SLE | PLE | Soxhlet |
Compounds | Suitable for all tested OCPs and PCBs | Suitable for all tested OCPs and PCBs | Only suitable for thermolabile analytes in combination with labelled internal standards |
Complexity of technique | Easy extraction principle, washing step potentially problematic | Trained personnel necessary, washing step uncomplicated | Trained personnel necessary, washing step uncomplicated |
Amount of solvent per sample | 150 ml | 22 ml (PLE) | 100 ml (Sox) |
Time consumption (without clean-up) | ~1.5 h | ~0.5 h/sample | min. ~6 h (Sox) |