Page 6 - Multidimensional Chromatography

vi Contents

4.3 Introduction to Modulation Technology 82
4.4 Orthogonality of Analysis 94
4.5 Quantitative Aspects 101
4.6 Future Opportunities and Challenges of GC GC Technology 104
Acknowledgements 106
References 106
5 Coupled-Column Liquid Chromatography 109
Claudio Corradini
5.1 Introduction 109
5.2 Theoretical Aspects 111
5.3 LC–LC Techniques 116
5.4 Conclusions 129
References 130
6 Supercritical Fluid Techniques Coupled with Chromatographic
Techniques 135
F. M. Lanças
6.1 Introduction 135
6.2 On-Line Coupling of SFE with Chromatographic Techniques 138
6.3 SFE–GC 138
6.4 SPE–SFE–GC 139
6.5 SFE–SFC 141
6.6 SFE–LC 141
6.7 On-Line Coupling of Supercritical Fluid Extraction with
Capillary Electrodriven Separation Techniques (SFE–CESTs) 143
6.8 From Multidimensional to Unified Chromatography
Passing through Supercritical Fluids 147
References 147
7 Unified Chromatography: Concepts and Considerations for
Multidimensional Chromatography 151
T.L. Chester
7.1 Introduction 151
7.2 The Phase Diagram View of Chromatography 153
7.3 Instrumentation 159
7.4 Advantages of and Challenges for Unified Chromatography
Techniques in Multidimensional Systems 162
7.5 Column Efficiency and Plate Heights in
Unified Chromatography 164
References 167
8 Multidimensional Planar Chromatography 171
Sz. Nyiredy
8.1 Introduction 171
8.2 Two-Dimensional or Multidimensional
Planar Chromatography? 172