Carlton W. Dence: Methods in Lignin Chemistry

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Cover: 9783642740671 | Methods in Lignin Chemistry | Carlton W. Dence (u. a.) | Taschenbuch

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Sprache: Englisch

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Beschreibung

The structural complexity of lignin has continually challenged the in genuity of researchers to develop suitable methods for its charac terization prior to and following a wide variety of chemical, biologi cal, and physical treatments. Initially, activity along these lines was fueled by a desire to interpret technical delignification (Le. , pulping) processes in terms of accompanying structural changes in the lignin. Subsequently, increasingly wide ranging, in-depth investigations on the structure and reactivity of lignin exposed the inadequacy of many of the methods currently in use and underscored the ever-continuing need to develop new methods capable of solving the unique analytical problems associated with lignin. Characteristically, such methods should be selective, sensitive, suitable for quantitative measurements, and capable of being applied directly to, and without destruction of, the lignin or lignocellulose sample. One notable example of the head way being made in reaching this objective is the relatively recent devel opment and refinement of methods based on the use of sophisticated instrumentation, e. g. , lH_ and 13C-NMR spectroscopy. Although the utility of many of these and other recently developed methods de scribed in this book has yet to be fully and satisfactorily exploited, we believe that progress already made in this direction will continue and most likely accelerate. The decision to produce this book was prompted mainly by the acknowledged need for an up-to-date, single source compilation of lignin methodology. Hitherto, this need was, in part, satisfied by B. L.

Inhaltsverzeichnis

1 Introduction.- 1 Introduction.- 2 Detection and Determination.- 2.1 The Detection of Lignin.- 2.2 The Determination of Lignin.- 3 Isolation and Purification.- 3.1 Wood.- 3.2 Isolation of Lignin from Pulp.- 3.3 Commercial Spent Pulping Liquors.- 4 Characterization in Solid State.- 4.1 Fourier Transform Infrared Spectroscopy.- 4.2 Ultraviolet Microscopy.- 4.3 Interference Microscopy.- 4.4 Electron Microscopy.- 4.5 Cross Polarization/Magic Angle Spinning Nuclear Magnetic Resonance (CP/MAS NMR) Spectroscopy.- 4.6 Raman Spectroscopy.- 4.7 Pyrolysis-Gas Chromatography-Mass Spectrometry.- 4.8 Thermal Analysis.- 5 Characterization in Solution: Spectroscopic Methods.- 5.1 Ultraviolet Spectrophotometry.- 5.2 Fourier Transform Infrared Spectroscopy.- 5.3 Proton (1H) NMR Spectroscopy.- 5.4 Carbon-13 Nuclear Magnetic Resonance Spectrometry.- 5.5 Electron Spin Resonance (ESR) Spectroscopy.- 6 Characterization in Solution: Chemical Degradation Methods.- 6.1 Acidolysis.- 6.2 Nitrobenzene and Cupric Oxide Oxidations.- 6.3 Chemical Degradation Methods: Permanganate Oxidation.- 6.4 Thioacidolysis.- 6.5 Hydrogenolysis.- 6.6 Nucleus Exchange Reaction.- 6.7 Ozonation.- 7 Functional Group Analysis.- 7.1 Determination of Total and Aliphatic Hydroxyl Groups.- 7.2 Determination of Phenolic Hydroxyl Groups.- 7.3 Determination of Ethylenic Groups.- 7.4 Determination of Carbonyl Groups.- 7.5 Determination of Carboxyl Groups.- 7.6 Determination of Methoxyl Groups.- 7.7 Determination of Sulfonate Groups and Total Sulfur.- 8 Determination of Molecular Weight, Size, and Distribution.- 8.1 Gel Permeation Chromatography.- 8.2 Light Scattering.- 8.3 Vapor Pressure Osmometry.- 8.4 Ultrafiltration.- 9 Separation of Identification of Low-Molecular Weight Fragments and Model Compounds.- 9.1 Gas Chromatography-Mass Spectrometry (GC-MS).- 9.2 High Performance Liquid Chromatography (HPLC).

Details

Erscheinungsjahr:	2011
Fachbereich:	Landwirtschaft & Gartenbau
Genre:	Umwelt
Produktart:	Nachschlagewerke
Rubrik:	Ökologie
Medium:	Taschenbuch
Seiten:	612
Reihe:	Springer Series in Wood Science
Inhalt:	xxx 578 S.
ISBN-13:	9783642740671
ISBN-10:	3642740677
Sprache:	Englisch
Ausstattung / Beilage:	Paperback
Einband:	Kartoniert / Broschiert
Redaktion:	Dence, Carlton W. Lin, Stephen Y.
Herausgeber:	Stephen Y Lin/Carlton W Dence
Auflage:	Softcover reprint of the original 1st ed. 1992
Hersteller:	Springer-Verlag GmbH Springer Berlin Heidelberg Springer Series in Wood Science
Maße:	235 x 155 x 33 mm
Von/Mit:	Carlton W. Dence (u. a.)
Erscheinungsdatum:	08.12.2011
Gewicht:	0,914 kg

preigu-id: 106368286

Inhaltsverzeichnis

Details

Erscheinungsjahr:	2011
Fachbereich:	Landwirtschaft & Gartenbau
Genre:	Umwelt
Produktart:	Nachschlagewerke
Rubrik:	Ökologie
Medium:	Taschenbuch
Seiten:	612
Reihe:	Springer Series in Wood Science
Inhalt:	xxx 578 S.
ISBN-13:	9783642740671
ISBN-10:	3642740677
Sprache:	Englisch
Ausstattung / Beilage:	Paperback
Einband:	Kartoniert / Broschiert
Redaktion:	Dence, Carlton W. Lin, Stephen Y.
Herausgeber:	Stephen Y Lin/Carlton W Dence
Auflage:	Softcover reprint of the original 1st ed. 1992
Hersteller:	Springer-Verlag GmbH Springer Berlin Heidelberg Springer Series in Wood Science
Maße:	235 x 155 x 33 mm
Von/Mit:	Carlton W. Dence (u. a.)
Erscheinungsdatum:	08.12.2011
Gewicht:	0,914 kg