首页--环境科学、安全科学论文--环境污染及其防治论文--农用化学物质、有毒化学物质污染及其防治论文

Pesticide Residues in Environment and Their Analysis by High Performance Liquid Chromatography (HPLC) and Solid-Phase Extraction (SPE)

Chinese abstract第3-5页
English abstract第5页
Chapter One: Introduction第9-27页
    1.1 Current status of organophosphate pesticides第10-12页
    1.2 Method第12-19页
        1.2.1 Comparison of HPLC and SPE第12-13页
        1.2.2 High performance liquid chromatography (HPLC)第13-15页
        1.2.3 Solid-phase extraction (SPE)第15-19页
    1.3 Recent developments in pesticide analyses第19-21页
    1.4 Application第21-26页
    1.5 Conclusion第26-27页
Chapter Two: Experimental-Method Optimization第27-37页
    2.1 Instruments第27页
    2.2 Reagents第27-28页
    2.3 Pesticides stock solutions第28页
    2.4 Chromatographic working conditions第28-31页
        2.4.1 Selection of wavelength第28-29页
        2.4.2 Selection of mobile-phase composition第29-30页
        2.4.3 Optimization of column temperature第30-31页
    2.5 Solid-phase extraction (SPE) conditions第31-37页
        2.5.1 SPE protocol第32-33页
        2.5.2 Elution solvent第33-34页
        2.5.3 Determination breakthrough volume第34-35页
        2.5.4 Effect of pH and ionic strength on sample extraction第35-37页
Chapter Three: Sample Preparation and Determination第37-45页
    3.1 Samples第37页
    3.2 pretreatment of water samples第37-38页
    3.3 Apple samples第38-39页
    3.4 Analysis of vegetable (spinach) samples第39页
    3.5 Method validation第39页
    3.6 Degradation of pesticides in the environment第39-42页
        3.6.1 Hydrolysis of pesticides第40页
        3.6.2 Photodegradation and UV-light degradation第40-42页
    3.7 Analysis of soil samples第42-45页
        3.7.1 Physicochemical properties of soil samples第42页
        3.7.2 Equilibrium time for the pesticides in soil-water第42-43页
        3.7.3 Determination of pesticide adsorption constant,K_d in soi第43-45页
Chapter Four: Results and Discussion第45-69页
    4.1 Chromatographic separation第45-47页
        4.1.1 Calibration curves and detection limits第46页
        4.1.2 Determination of precision第46页
        4.1.3 Determination of recoveries第46-47页
    4.2 Degradation of the pesticides in water第47-57页
        4.2.1 Hydrolysis第47-52页
        4.2.2 Photodegradation and UV light degradation第52-57页
    4.3 Factors affecting degradation of pesticide in water第57-58页
        4.3.1 pH第57页
        4.3.2 Temperature第57-58页
    4.4 Adsorption of pesticides in soil第58-60页
    4.5 Factors affecting pesticide adsorption in soil第60-62页
        4.5.1 Organic matter content第60-61页
        4.5.2 Soil pH第61页
        4.5.3 Nature of the pesticide第61-62页
    4.6 Organic carbon adsorption constant (K_(oc))第62-63页
    4.7 Apples and vegetables第63-68页
        4.7.1 Method validation第65-68页
    4.8 Degradation products第68-69页
Chapter Five: Conclusion and Future Developments第69-70页
Reference第70-79页

论文共79页,点击 下载论文
上一篇:a-Si:H薄膜的MWECR CVD制备及特性研究
下一篇:陕西省禽脑脊髓炎的调查、病毒分离鉴定及其诊断与防制研究