| 摘要 | 第1-6页 |
| Abstract | 第6-11页 |
| 1 Introduction | 第11-13页 |
| 2 Experiment section | 第13-18页 |
| ·Material, solvents and sample preparation | 第13-14页 |
| ·Material, solvents | 第13-14页 |
| ·Sample preparation | 第14页 |
| ·Apparatus, operation and extraction mechanism | 第14-16页 |
| ·Instrumental analysis | 第16-18页 |
| 3 Results and discussion | 第18-32页 |
| ·Preliminary experiments of the LLSE | 第18-19页 |
| ·Parameters affecting the extraction efficiency of the LLSE | 第19-28页 |
| ·Effect of extracting solvent species on the LLSE efficiency | 第19-20页 |
| ·Effect of extracting solvent volumn on the LLSE efficiency | 第20-21页 |
| ·Effect of the volumn of the extration system on the LLSE efficiency | 第21-22页 |
| ·Effect of nozzle type on the LLSE efficiency | 第22页 |
| ·Effect of nozzle angle on the LLSE efficiency | 第22-23页 |
| ·Effect of spray rate on the LLSE efficiency | 第23-24页 |
| ·Effect of nozzle position on the LLSE efficiency | 第24-25页 |
| ·Effect of sonic energy on the LLSE efficiency | 第25-27页 |
| ·Effect of the extraction cycles on the SA-LLSE | 第27页 |
| ·The application of the SA-LLSE in different volumes water samples | 第27-28页 |
| ·Performances of SA-LLSE technique and application | 第28-32页 |
| 4 Conclusions | 第32-33页 |
| References | 第33-37页 |
| Acknowledgements | 第37-38页 |
| Appendix A | 第38页 |
