Researches on Cellulose 1895-1900, Volumen1Longmans, Green, and Company, 1901 - 180 páginas |
Dentro del libro
Resultados 1-5 de 25
Página 4
... nitric acid and a chlorate , followed by suitable hydrolysis of the non - cellulose derivatives to soluble products . Apart from its exceptional inconvenience , rendering it quite impracticable in laboratories which are concerned with ...
... nitric acid and a chlorate , followed by suitable hydrolysis of the non - cellulose derivatives to soluble products . Apart from its exceptional inconvenience , rendering it quite impracticable in laboratories which are concerned with ...
Página 16
... nitric acid at 60-80 ° ( Cross and Bevan ) and a dilute mixture of nitric and sulphuric acids ( Lifschutz ) have been employed for isolating cellulose from the ligno- celluloses . Hoffmeister modifies the method of Schulze by ...
... nitric acid at 60-80 ° ( Cross and Bevan ) and a dilute mixture of nitric and sulphuric acids ( Lifschutz ) have been employed for isolating cellulose from the ligno- celluloses . Hoffmeister modifies the method of Schulze by ...
Página 17
... nitric acid with addition of chlorate ( Schulze ) . The mass was washed and digested with alkaline lye ( 1-25 p.ct. KOH ) , and exhaustively washed , treated with dilute acetic acid ; again washed , and finally air- dried . This product ...
... nitric acid with addition of chlorate ( Schulze ) . The mass was washed and digested with alkaline lye ( 1-25 p.ct. KOH ) , and exhaustively washed , treated with dilute acetic acid ; again washed , and finally air- dried . This product ...
Página 38
... nitric esters are ob- tained by the action of the mixture of nitric and sulphuric acids . The residual OH groups of the cellulose are esterified and substitution by an NO , group takes place in the aromatic residue , giving a mixed nitric ...
... nitric esters are ob- tained by the action of the mixture of nitric and sulphuric acids . The residual OH groups of the cellulose are esterified and substitution by an NO , group takes place in the aromatic residue , giving a mixed nitric ...
Página 39
... nitric acid , and the solution poured into sulphuric acid . The following analytical results were obtained ( a ) for the product obtained directly from the fibrous benzoate and purified as indicated , ( b ) for the product from the ...
... nitric acid , and the solution poured into sulphuric acid . The following analytical results were obtained ( a ) for the product obtained directly from the fibrous benzoate and purified as indicated , ( b ) for the product from the ...
Otras ediciones - Ver todas
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