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 37
Pagina ii
... Residual Forest Biomass (1989) J. W. Rowe (Ed.) Natural Products of Woody Plants (1989) K.-E. L. Eriksson/R. A. Blanchette/P. Ander Microbial and Enzymatic Degradation of Wood and Wood Components (1990) R. A. Blanchette/A. R. Biggs (Eds ...
... Residual Forest Biomass (1989) J. W. Rowe (Ed.) Natural Products of Woody Plants (1989) K.-E. L. Eriksson/R. A. Blanchette/P. Ander Microbial and Enzymatic Degradation of Wood and Wood Components (1990) R. A. Blanchette/A. R. Biggs (Eds ...
Pagina 15
... residual lignin in pulps and its association with the carbohydrates needs more attention. 1.4.1 Chemical Pulps Polysaccharides. Cellulose and hemicelluloses are the main constituents of bleached chemical pulps. Their average DPW is ...
... residual lignin in pulps and its association with the carbohydrates needs more attention. 1.4.1 Chemical Pulps Polysaccharides. Cellulose and hemicelluloses are the main constituents of bleached chemical pulps. Their average DPW is ...
Pagina 16
... residual lignin in the unbleached pulps (kappa number or chlorine number). The lignin content of pulps subjected for bleaching is rather low (2-5%) and only traces of it (<0.1%) are present in fully bleached pulps. For direct analysis ...
... residual lignin in the unbleached pulps (kappa number or chlorine number). The lignin content of pulps subjected for bleaching is rather low (2-5%) and only traces of it (<0.1%) are present in fully bleached pulps. For direct analysis ...
Pagina 17
... residual lignin. It can be degraded to smaller fragments by more or less specific oxidants, followed by chromatographic separation and identification of the fragments. Extractives and Inorganic Components. Tall oil and turpentine are ...
... residual lignin. It can be degraded to smaller fragments by more or less specific oxidants, followed by chromatographic separation and identification of the fragments. Extractives and Inorganic Components. Tall oil and turpentine are ...
Pagina 34
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Sommario
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XC | 158 |
XCI | 160 |
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XCIX | 168 |
C | 169 |
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CL | 237 |
CLI | 238 |
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CLXXIX | 273 |
CLXXX | 274 |
CLXXXII | 276 |
CLXXXIV | 279 |
CLXXXV | 280 |
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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