Analytical Methods in Wood Chemistry, Pulping, and PapermakingEero Sjöström, Raimo Alen Springer Science & Business Media, 9 mar 2013 - 318 pagine In its broadest sense, and according to the traditional conception, wood chemistry is a comprehensive discipline, ranging from fundamental studies to practical applications. The manifold constituents, located in different morphological regions in the wood, results in an extreme complexity of wood chemistry. Ever more sophisticated endeavors needing fundamental studies and advanced analytical methods are necessary in order to delve deeper into various problems in pulping and papermaking. Gradually, new, improved ana lytical methods, originally developed for research purposes, are currently replacing many of the old "routine" methods in practical applications. Because of the expanse of the subject, an attempt to write a book of this size about analytical methods seems, perhaps, too ambitious. Of course, a whole book series of several volumes would be necessary to cover this topic completely. However, there is undoubtedly a need for a more condensed presentation which does not go into experimental details, but is limited to the basic principles of the analytical methods and illustrates their applica tions. The emphasis is on more advanced and potential methods, and partic ularly on those based on different types of spectroscopy and chromatography. |
Dall'interno del libro
Risultati 1-5 di 57
Pagina viii
... Structure of Oligosaccharides 65 3.6.3.1 Fast Atom Bombardment Mass Spectroscopy 65 3.6.3.2 Nuclear Magnetic Resonance Spectroscopy 67 3.7 Anomeric Configuration and Ring Size 68 3.8 Molecular Weight 70 3.8.1 Gel Permeation ...
... Structure of Oligosaccharides 65 3.6.3.1 Fast Atom Bombardment Mass Spectroscopy 65 3.6.3.2 Nuclear Magnetic Resonance Spectroscopy 67 3.7 Anomeric Configuration and Ring Size 68 3.8 Molecular Weight 70 3.8.1 Gel Permeation ...
Pagina xi
... Molecular Weight Distribution 237 8.4 Characterization of Low-Molecular Weight Compounds 238 8.4.1 Carboxylic Acids 239 8.4.1.1 Hydrophilic Acids 239 8.4.1.2 Lipophilic Acids 240 8.4.1.3 Chelating Agents 240 8.4.2 Phenolic Compounds 242 ...
... Molecular Weight Distribution 237 8.4 Characterization of Low-Molecular Weight Compounds 238 8.4.1 Carboxylic Acids 239 8.4.1.1 Hydrophilic Acids 239 8.4.1.2 Lipophilic Acids 240 8.4.1.3 Chelating Agents 240 8.4.2 Phenolic Compounds 242 ...
Pagina xii
... Molecular Weight Materials 252 8.5.1 Isolation 253 8.5.2 Chemical Degradation Methods 255 8.5.2.1 Permanganate Oxidation 255 8.5.2.2 Cupric Oxide Oxidation 259 8.5.2.3 Thioacidolysis 260 8.5.3 Carbohydrate Content and Composition 263 ...
... Molecular Weight Materials 252 8.5.1 Isolation 253 8.5.2 Chemical Degradation Methods 255 8.5.2.1 Permanganate Oxidation 255 8.5.2.2 Cupric Oxide Oxidation 259 8.5.2.3 Thioacidolysis 260 8.5.3 Carbohydrate Content and Composition 263 ...
Pagina 2
... molecular weight material, largely deposited outside the cell wall. They consist of an extremely complex mixture of more or less lipophilic components, soluble in organic solvents. In addition, water-soluble hydrophilic substances as ...
... molecular weight material, largely deposited outside the cell wall. They consist of an extremely complex mixture of more or less lipophilic components, soluble in organic solvents. In addition, water-soluble hydrophilic substances as ...
Pagina 5
... molecular weight (Mw) by light-scattering, in addition to sedimentation- equilibrium (ultracentrifugation) ... molecular weights as well as other polymer properties of more or less degraded cellulose samples are regularly carried out ...
... molecular weight (Mw) by light-scattering, in addition to sedimentation- equilibrium (ultracentrifugation) ... molecular weights as well as other polymer properties of more or less degraded cellulose samples are regularly carried out ...
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Altre edizioni - Visualizza tutto
Analytical Methods in Wood Chemistry, Pulping, and Papermaking Eero Sjöström,Raimo Alén Anteprima limitata - 1998 |
Analytical Methods in Wood Chemistry, Pulping, and Papermaking Eero Sjöström,Raimo Alen Anteprima non disponibile - 2010 |
Analytical Methods in Wood Chemistry, Pulping, and Papermaking Eero Sjöström,Raimo Alén Anteprima non disponibile - 2012 |
Parole e frasi comuni
acetic acids addition alkaline amounts analysis analyzed applied aromatic atoms black liquors bleaching bonds carbohydrates carbon carboxylic acids cell wall cellulose characterization Chem chemical chemistry chlorine chromatography column complex components composition compounds concentrations contain degradation depends derivatives derivatization detection determination dissolved distribution effect effluents electrons elements especially esters et al ether example extractives fibers followed formed fraction give hardwood hemicelluloses HMWMs hydrolysis hydroxyl groups identification important inorganic ions isolated kraft pulps lignin mainly mass material measured methods methyl mill mixture molecular weight Niemelä obtained occur OH OH organic origin oxidation phenolic polymer polysaccharides possible preparation present procedure quantitative reaction residual resin acids sample separation Sjöström sodium softwood solid soluble solution solvent spectra spectroscopy standard structures studies sulfite surface Table Tappi techniques tion types units usually various wood xylan York ОН