Ultrahigh Resolution Chromatography

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Content: Multiple pathways to ultrahigh resolution chromatography / Satinder Ahuja --
Test of the statistical model of component overlap by computer-generated chromatograms / J. Calvin Giddings, Joe M. Davis, and Mark R. Schure --
Ultrahigh resolution gas chromatography : constraints, compromises, and prospects / Walter Jennings --
Approaches to ultrahigh resolution chromatography : interactions between relative peak (N), relative retention ([alpha]), and absolute retention (k') / C.H. Lochmüller --
Reduction of the column diameter in capillary gas chromatography : some theoretical aspects and practical consequences / B.J. Lambert, R.J. Laub, W.L. Roberts, and C.A. Smith --
Use of a small volume thermal conductivity detector for capillary gas chromatography : practical aspects / Richard Simon and Gregory Wells --
Advances in liquid chromatographic selectivity / David H. Freeman --
Narrow-bore, microparticle-packed column high performance liquid chromatography : utilization and constraints / Frank J. Yang --
Application of micro high performance liquid chromatography to the separation of complex mixtures / Daido Ishii and Toyohide Takeuchi --
High resolution supercritical fluid chromatography / W.P. Jackson, B.E. Richter, J.C. Fjeldsted, R.C. Kong, and M.L. Lee --
Carbon dioxide based supercritical fluid chromatography : column efficiencies and mobile phase solvent power / L.G. Randall --
Super resolution in chromatography by numerical deconvolution / James B. Callis --
The role of ultrahigh resolution chromatography in the chemical industry / H. Michael Widmer and Karl Grolimund.

Author(s): Satinder Ahuja (Eds.)
Series: ACS Symposium Series 250
Publisher: American Chemical Society
Year: 1984

Language: English
Pages: 233
City: Washington, D.C

Title Page......Page 1
Copyright......Page 2
ACS Symposium Series......Page 3
FOREWORD......Page 4
PdftkEmptyString......Page 0
PREFACE......Page 5
1 Overview: Multiple Pathways to Ultrahigh Resolution Chromatography......Page 7
High Pressure Liquid Chromatography......Page 8
Capillary Gas Chromatography......Page 10
Super Critical Fluid Chromatography (SFC)......Page 11
Miscellaneous......Page 12
Literature Cited......Page 13
2 Test of the Statistical Model of Component Overlap by Computer-Generated Chromatograms......Page 14
Theoretical Background......Page 16
Computational Procedure......Page 19
Methodology of Peak Counting......Page 20
Simulation Studies......Page 23
Results and Discussions......Page 24
Literature Cited......Page 31
3 Ultrahigh Resolution Gas Chromatography Constraints, Compromises, and Prospects......Page 32
Literature Cited......Page 41
4 Approaches to Ultrahigh Resolution Chromatography Interactions Between Relative Peak (N), Relative Retention (α), and Absolute Retention (k')......Page 42
Enhancement of Plate Number......Page 43
Enhanced Selectivity by Stationary Phase Modification......Page 44
Acknowledgments......Page 51
Literature Cited......Page 53
5 Reduction of the Column Diameter in Capillary Gas Chromatography Some Theoretical Aspects and Practical Consequences......Page 54
THEORY......Page 55
Column Preparation......Page 56
Efficiency......Page 57
Inlet Pressure......Page 58
ACKNOWLEDGMENTS......Page 61
LITERATURE CITED......Page 63
6 Use of a Small Volume Thermal Conductivity Detector for Capillary Gas Chromatography Practical Aspects......Page 64
Experimental......Page 69
Results And Discussion......Page 70
Conclusions......Page 80
Literature Cited......Page 81
Historical Development of Rapid HPLC Separations......Page 82
Sorbent Selectivity......Page 86
SOLVENT SELECTIVITY......Page 88
ROLE OF ADDITIVES......Page 89
CARRIER INDUCED SELECTIVITY......Page 90
ULTRA-RESOLUTION......Page 91
Literature Cited......Page 94
8 Narrow-Bore, Microparticle-Packed Column High Performance Liquid Chromatography Utilization and Constraints......Page 96
Open-Tubular Columns......Page 97
Narrow-Bore Packed Column......Page 99
Narrow-Bore Packed Column HPLC Instrumentation......Page 100
Injector......Page 102
Detector......Page 105
Conclusion......Page 110
Literature Cited......Page 111
9 Application of Micro High Performance Liquid Chromatography to the Separation of Complex Mixtures......Page 113
Results and Discussion......Page 114
Conclusion......Page 119
Literature Cited......Page 123
10 High Resolution Supercritical Fluid Chromatography......Page 124
Column Technology......Page 125
Instrumentation......Page 126
Summary......Page 134
Literature Cited......Page 135
11 Carbon Dioxide Based Supercritical Fluid Chromatography Column Efficiencies and Mobile Phase Solvent Power......Page 137
EFFICIENCIES IN SFC......Page 138
Comparison of Supercritical Fluid Solvents to Conventional Liquid Solvents......Page 145
Proposed Framework......Page 148
RESULTS AND DISCUSSION......Page 154
Modifier Selectivity......Page 155
Adsorption Chromatography......Page 160
Peak Distortion......Page 163
Conclusions and Future Experiments......Page 165
EXPERIMENTAL......Page 166
Mobile Phase......Page 167
Column......Page 169
Literature Cited......Page 170
12 Super Resolution in Chromatography by Numerical Deconvolution......Page 172
Monodetector Chromatography......Page 175
Multidetector or Multichannel Detector Chromatography......Page 180
Chromatography with Multidimensional Detectors......Page 188
Multidimensional Chromatography with Multichannel Detection......Page 191
Conclusions......Page 194
Literature Cited......Page 198
Ultrahigh Resolution Chromatography in Industry......Page 200
Theoretical Considerations......Page 204
Practical Aspects......Page 208
Improved Injection Systems......Page 218
Legend of Symbols......Page 220
Literature Cited......Page 223
Author Index......Page 224
C......Page 225
D......Page 226
F......Page 227
K......Page 228
N......Page 229
P......Page 230
S......Page 231
V......Page 232
X......Page 233