Applications of [beta]-cyclodextrin epichlorohydrin copolymer in trace analysis.

• Other Authors: Liu, Ho Yan.
• Format: Others
• Language: English; Chinese
• Published: 2003
• Subjects: Cyclodextrins; Trace elements > Analysis
• Online Access: http://library.cuhk.edu.hk/record=b5891454; http://repository.lib.cuhk.edu.hk/en/item/cuhk-324300

Liu Ho Yan. === Thesis (M.Phil.)--Chinese University of Hong Kong, 2003. === Includes bibliographical references. === Abstracts in English and Chinese. === Abstract (Chinese) --- p.ii === Abstract --- p.iii === Acknowledgement --- p.iv === List of Tables --- p.v === List of Figures --- p.vi === Chapter Chapter 1 --- Introduction --- p.1 === Chapter 1.1 --- Overview and history --- p.1 === Chapter 1.2 --- Structure of β-cyclodextrin --- p.2 === Chapter 1.3 --- Complexation with aromatic compounds --- p.2 === Chapter 1.4 --- Scope of the thesis --- p.6 === Chapter 1.5 --- References --- p.8 === Chapter Chapter 2 --- Synthesis and characterization of β-cyclodextrin epichlorohydrin copolymer --- p.10 === Chapter 2.1 --- Introduction --- p.10 === Chapter 2.2 --- Effects of major parameters on polymerization --- p.11 === Chapter 2.3 --- Polymerization mechanisms --- p.13 === Chapter 2.4 --- Synthesis and characterization of β-cyclodextrin epichlorohydrin copolymer --- p.13 === Chapter 2.5 --- References --- p.18 === Chapter Chapter 3 --- β-Cyclodextrin epichlorohydrin copolymer as a solid-phase extraction sorbent for aromatic compounds --- p.19 === Chapter 3.1 --- Introduction --- p.19 === Chapter 3.2 --- Experimental --- p.22 === Chapter 3.3 --- Results and discussion --- p.25 === Chapter 3.3.1 --- Effect of pH on the extraction of aromatic compounds --- p.25 === Chapter 3.3.2 --- Optimum stirring time for the extraction of aromatic compounds --- p.28 === Chapter 3.3.3 --- Recoveries of aromatic compounds --- p.28 === Chapter 3.3.4 --- Analysis of synthetic standard sample --- p.30 === Chapter 3.4 --- Conclusions --- p.33 === Chapter 3.5 --- References --- p.33 === Chapter Chapter 4 --- Simultaneous determination of Ni(II) and Cu(II) in tea sample by EDXRF after preconcentration with 4-(2-pyridylazo)resorcinol-included β-cyclodextrin epichlorohydrin copolymer --- p.40 === Chapter 4.1 --- Introduction --- p.40 === Chapter 4.2 --- Experimental --- p.41 === Chapter 4.3 --- Results and discussion --- p.45 === Chapter 4.3.1 --- Optimum pH for the inclusion of PAR in β-CDEP cavity --- p.45 === Chapter 4.3.2 --- Saturation time for the inclusion of PAR in β-CDEP cavity --- p.45 === Chapter 4.3.3 --- Optimum pH for the reaction between PAR and metal ions --- p.47 === Chapter 4.3.4 --- Calibration curves and detection limits of Ni(II) and Cu(II) --- p.47 === Chapter 4.3.5 --- Analysis of synthetic standard sample --- p.50 === Chapter 4.3.6 --- Analysis of tea sample --- p.50 === Chapter 4.4 --- Conclusions --- p.53 === Chapter 4.5 --- References --- p.53 === Chapter Chapter 5 --- Conclusions --- p.55