Researches on Cellulose 1895-1900, Volumen1Longmans, Green, and Company, 1901 - 180 páginas |
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Página 11
... examination of the typical celluloses in which all the con- stants of the terms between the original and the ultimate monose groups shall be determined . Such constants are similar to those for the starch - dextrose series , viz ...
... examination of the typical celluloses in which all the con- stants of the terms between the original and the ultimate monose groups shall be determined . Such constants are similar to those for the starch - dextrose series , viz ...
Página 34
... Monobenzoate 150.8 ) 164'0 159'0 An examination of ( a ) showed that some dibenzoate ( about 7 p.ct. ) had been formed . The product ( 6 ) was exhaustively treated with cuprammonium solution , to which it yielded about 34 Cellulose.
... Monobenzoate 150.8 ) 164'0 159'0 An examination of ( a ) showed that some dibenzoate ( about 7 p.ct. ) had been formed . The product ( 6 ) was exhaustively treated with cuprammonium solution , to which it yielded about 34 Cellulose.
Página 48
... examination established a number of negative characteristics , with the conclusion that the products were not direct derivatives of carbohydrates nor aromatic compounds . On the other hand the following positive points resulted ...
... examination established a number of negative characteristics , with the conclusion that the products were not direct derivatives of carbohydrates nor aromatic compounds . On the other hand the following positive points resulted ...
Página 89
... examination ; moreover , it refused altogether to crystallise in contact with the aldehyde . It may fairly be stated , therefore , that these last four substances give abso- lutely negative results as regards the formation of w - brom ...
... examination ; moreover , it refused altogether to crystallise in contact with the aldehyde . It may fairly be stated , therefore , that these last four substances give abso- lutely negative results as regards the formation of w - brom ...
Página 90
Charles Frederick Cross. The examination of these specimens was conducted on a smaller scale , but under the same conditions as before , one gram of the substance being treated with 125 c.c. of the saturated chloroform solution and ...
Charles Frederick Cross. The examination of these specimens was conducted on a smaller scale , but under the same conditions as before , one gram of the substance being treated with 125 c.c. of the saturated chloroform solution and ...
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Términos y frases comunes
acetic acetone action alcohol aldehydic alkaline ammonia B.Sc benzoate bleached boiling C. F. CROSS carbohydrates carbon cellulose nitrates Chem chemical CHEMISTRY chlorine College collodion Coloured compounds condensation constitution cotton Cross and Bevan Crown 8vo denitration derivatives dextrose Diagrams dibenzoate digestion dilute dissolved ELEMENTARY Engineering ester ester reaction ether extract fermentation fibre fibrous furfural furfural-yielding furfuroids grms groups heating hemicellulose hexoses hydrate hydrazone hydrolysis Illustrations industrial insoluble investigation isolated jute ketoses lignocellulose lignone LL.D Lond lustra-celluloses mercerisation method molecular molecule NaOH nitric acid nitrocellulose normal cellulose numbers obtained ordinary original osazone oxidation oxidised oxycellulose p.ct paper patent pentosanes pentoses PHYSIOLOGY plant Plates PRACTICAL precipitated Professor proportion purified quantitative reagent residue Royal 8vo Science Scientific Works published silk soda soluble solution solvents starch structural substance sulphocarbonate sulphuric acid temperature thread tion tissue Tollens treated treatment Tussah viscose weight wood Woodcuts yield