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 33
Pagina x
... Electron Spectroscopy for Chemical Analysis (ESCA) 161 6.3. .1 Principle of ESCA 161 6.3. .2 The ESCA Spectrometer 163 6.3. .3 Escape Depth 164 6.3. .4 Qualitative Elemental Analysis 164 6.3.1.5 Quantitative Analysis 165 6.3.1.6 ...
... Electron Spectroscopy for Chemical Analysis (ESCA) 161 6.3. .1 Principle of ESCA 161 6.3. .2 The ESCA Spectrometer 163 6.3. .3 Escape Depth 164 6.3. .4 Qualitative Elemental Analysis 164 6.3.1.5 Quantitative Analysis 165 6.3.1.6 ...
Pagina xiii
... Electron Spectroscopy 297 10.4 Ion Chromatography 299 10.5 Miscellaneous Methods 300 10.5.1 Activation Analysis 300 10.5.2 Secondary Ion Mass Spectrometry 300 10.6 Concluding Remarks 300 References 303 Subject Index 305 Contents XIII.
... Electron Spectroscopy 297 10.4 Ion Chromatography 299 10.5 Miscellaneous Methods 300 10.5.1 Activation Analysis 300 10.5.2 Secondary Ion Mass Spectrometry 300 10.6 Concluding Remarks 300 References 303 Subject Index 305 Contents XIII.
Pagina 13
... electron microscopy, a method recently improved by substituting mercurization for the nonspecific bromination step. TEM can also be used for examining the lignin skeletons remaining after the polysaccharides in wood have been removed by ...
... electron microscopy, a method recently improved by substituting mercurization for the nonspecific bromination step. TEM can also be used for examining the lignin skeletons remaining after the polysaccharides in wood have been removed by ...
Pagina 14
... electron micrograph. Courtesy of Dr. T. E. Timell. Reprinted from Sjostrom (1993). Below are shown the proportions of the main cell wall constituents (polysaccharides and lignin) in the cell walls of softwood tracheids (% of the total ...
... electron micrograph. Courtesy of Dr. T. E. Timell. Reprinted from Sjostrom (1993). Below are shown the proportions of the main cell wall constituents (polysaccharides and lignin) in the cell walls of softwood tracheids (% of the total ...
Pagina 26
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Sommario
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C | 169 |
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CLXXX | 274 |
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CLXXXVI | 281 |
CLXXXVIII | 282 |
CLXXXIX | 283 |
CXCI | 287 |
CXCII | 289 |
CXCIII | 290 |
CXCV | 291 |
CXCVI | 296 |
CXCVII | 297 |
CXCVIII | 299 |
CXCIX | 300 |
CC | 303 |
CCI | 305 |
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