Preparative Low Pressure Liquid Chromatography

Preparative Low Pressure Liquid Chromatography

von: Hans Henke

Vogel Communications Group GmbH & Co. KG, 2011

ISBN: 9783834361356 , 828 Seiten

Format: PDF, OL

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Preparative Low Pressure Liquid Chromatography


 

COVER

1

Title

3

Copyright

4

Preface

7

Contents

11

I Introduction

21

II Theoretical Part

29

II.1 Theoretical principles of exclusion chromatography

32

II.2 Crosslinked dextran gels

40

III Classification of Chromatography – Separation Mechanisms

51

IV Column Liquid Chromatographic Separation Systems

55

IV.1 Column packing materials – Phases

58

IV.2 Mobile phases – Eluents

59

IV.3 Preparative columns

62

IV.4 Equipment

65

V Practical Part 1 – Preparative LC in Practice

73

V.1 Sample preparation

73

V.2 Analytical – Preparative

74

V.3 Thin-layer chromatography – Sephadex LH-20

97

V.4 Separation of complex substance mixtures

139

V.5 Extraction methods – Extraction processes

185

V.6 Sephadex LH-20 – Separation mechanism A

188

V.7 Sephadex LH-20 – Separation mechanism B

227

V.8 Sephadex LH-20 – Scale-up

250

V.9 Sephadex LH-20 – Loadability

262

V.10 Sephadex LH-20 compared to …

270

V.11 Selective preparative separation systems

284

V.12 Examples of separations from practice

351

V.13 Glycerides

384

V.14 Separation of various products

395

V.15 Separation of depolymerization products

403

V.16 Enrichment – Quantitation

429

V.17 Examples of transfers – TLC separation to preparative column

434

V.18 “Macro” separation – “Mini” production

440

V.19 Small scale production plant

442

VI Practical Part 2 – Practice-based Methods for Laboratory Practice

445

VI.1 Reaction products

445

VI.2 Extracts

479

VI.3 Commercial products – Methods of purification

491

VI.4 Natural products

535

VI.5 Plant extracts

594

VI.6 Commercial products

614

VI.7 Derivatives of PEG oligomers

635

VI.8 Reaction products

657

VI.9 Transfer from a TLC plate to a preparative column

667

VI.10 Mechanism of separations on Sephadex LH-20

699

VI.11 Plant constituents

709

VI.12 Cyclodextrins

724

VI.13 Accomplishable preparative separation proposals

725

VI.14 Epoxide additions – Separations

728

VI.15 Isolation of phytosterols, tocopherols, and tocotrienols from enriched samples

740

VI.16 Pharmaceuticals

741

VI.17 Depolymerization products

746

Appendix

749

A.1 Reaction products – Separations on Sephadex LH-20

749

A.2 Miscellaneous separations from everyday practice

767

A.3 Test mixtures and separation mechanisms on Sephadex LH-20 Molecular structures and elution behavior

775

Remarks

810

Glossary

813

Dictionary of chromatography

818

Company directory

823

Bibliography

824

Index

825