Qualitative Analysis of Flavor and Fragrance Volatiles by Glass Capillary Gas Chromatography By Walter Jennings

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Qualitative Analysis of Flavor and Fragrance Volatiles by Glass Capillary Gas Chromatography

Author(s):

Walter Jennings 
Shibamoto

 

Qualitative Analysis of Flavor and Fragrance Volatiles by Glass Capillary Gas Chromatography deals with the application of glass capillary gas chromatography to qualitative analysis of flavor and fragrance volatiles.

 

Topics range from gas chromatographic system requirements and retention indices to selective detectors, ancillary reactions, and gas chromatography-mass spectrometry.

This text is comprised of six chapters; the first of which provides an overview of the use of glass capillary gas chromatography in qualitative analysis of flavor and fragrance volatiles. The discussion then turns to gas chromatographic system requirements with respect to columns, inlets, detectors, and temperature control. The reader is also introduced to the Kovats retention index system, which utilizes a logarithmic scale to describe the retention behavior of a compound relative to that of the n-paraffin hydrocarbons. The use of selective detectors, such as thermal conductivity, flame ionization, nitrogen-phosphorus, electron capture, and photoionization detectors in qualitative analysis, is also considered.

 

The final two chapters focus on ancillary reactions in glass capillary gas chromatography and general considerations in gas chromatography-mass spectrometry, including interfacing.


This book is intended primarily for researchers involved in studies of the volatile constituents of fragrances, food, and natural products.

 

Table of Contents

Front Cover 1
Qualitative Analysis of Flavor and Fragrance Volatiles by Glass Capillary Gas Chromatography 4
Copyright Page 5
Table of Contents 6
Preface 8
PART A: ANALYTICAL CONSIDERATIONS 10

Chapter I. Introduction
10

Chapter II. Gas Chromatographic System Requirements
11
A. Columns 11
B. Inlets 14
C. Detectors 17
D. Temperature Control 17

Chapter III. Retention Indices
18
A. General Considerations 18
B. Determination of Holdup Time tM 18
C. Effect of Liquid Phase and Surface Pretreatment 18
D. Effect of Temperature 19
E. Isothermal Procedures 19
F. Programmed Temperature Procedures 20

Chapter IV. Selective Detectors
20
A. General Considerations 20
B. Thermal-Conductivity Detector 22
C. Flame-Ionization Detector 22
D. Nitrogen–Phosphorus Detector 22
E. Electron-Capture Detector 23
F. Flame-Photometric Detector 23
G. Photoionization Detector 23

Chapter V. Ancillary Reactions
24
A. General Considerations 24
B. External Reactions 24
C. Reaction Gas Chromatography 27

Chapter VI. Gas Chromatography–Mass Spectrometry
31
A. General Considerations 31
B. Interfacing 32

PART B: APPENDICES
38
Appendix I Compounds and Their Retention Indices 38
Appendix II Retention Indices in Increasing Order on Methyl Silicone OV 101 67
Appendix III Retention Indices in Increasing Order on Polyethylene Glycol Carbowax 20M 95
Appendix IV Mass Spectra of Individual Compounds 123
Index

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