324 



Cellulose 



purification by alcohol and by 

 brine, 248 ; uses in microscopic 

 work, 249 ; theoretical notes, 249 ; 

 regenerated cellulose from thio- 

 carbonate, 29 ; reaction with 

 acetic anhydride, 37 ; theoretical 

 view of thiocarbonate reaction, 29, 

 316. Reacting unit, 31 ; benz- 

 oates, 32, 316 ; soluble alkali, 

 33 ; acetates, 34 ; interactions 

 with acetic anhydride, 35 ; and 

 acetic anhydride in presence of 

 zinc chloride, 36 ; in presence of 

 iodine, 36 ; nitrates or nitrocel- 

 luloses, 38 ; their general pro- 

 perties, 39 ; approximate com- 

 position (table), 42 ; thermal 

 constants, 42 ; heat of combus- 

 tion, 43 ; products of combus- 

 tion, 43 ; industrial uses, 44, 

 307 ; gradual decompositions, 46. 

 Action of sulphuric acid, 48 ; 

 transformation to a sugar, 49 ; 

 composition of body produced by 

 dissolving in HSO 4 , 49. De- 

 compositions of, 52 ; by non- 

 oxidising acids, 53 ; practical 

 application, separation of cotton 

 from wool fabric, 55 ; by oxidants, 

 56 ; in acid solutions, 56 ; in 

 alkaline solutions, 60 j resolution 

 by ferments, 63 ; resolution con- 

 stituting 'decay,' 66; by con- 

 densation of carbon nuclei, 66 ; 

 feeding or nutritive value of, 67 ; 

 destructive distillation of fibrous, 

 of regenerated from thiocarbonate, 

 68 ; tables, 69 ; constitution of, 

 reactions throwing light upon it, 

 75 ; theoretical notes on, 257 ; 

 three subdivisions in group, 78 ; 

 purification in laboratory, (Tgh; 

 * cellular,' 82, 85 ; Jfcprn wooas 

 and lignified tissues, KVp elemen- 

 tary composition, 83; yield of 

 furfural, 83 ; from cereal straws, 

 esparto, 84 j their ultimate com- 

 position, 84 ; yield of furfural and 

 reactions, 84 ; results from solu- 

 tion as thiocarbonate, 85 ; re- 

 generated from straw and esparto 



cellulose thiocarbonate, 85 ; 

 pseudo- or hemi-, 87 ; a con- 

 stituent of protozoa, 87 ; com- 

 pound, 89 ; adipo- and cuto-, 90 ; 

 pecto- and muco-, 90 ; Fremy's 

 classification, 90 ; para- and 

 meta-, 90; ligno-, 91, 92; (see 

 Jute) o and , from jute fibre, 

 93 ; general view of the group, 

 235 ; processes of decay and 

 destruction (tables), 239 ; morpho- 

 logy, 243 ; technology, principles 

 of, 273 ; preparation of fibres 

 from raw material, 276 ; flax, 

 and jute, 275 ; spinning, 279 ; 

 bleaching, 284 ; of jute, 285 ; 

 linen yarn, 286 ; jute cuttings, 

 287; cotton, 288 ; constitution of, 



313 



Cell-wall, differentation of sub- 

 stances composing, 86 



Cerin, 228 



Ceryl alcohol, 80 



China grass, 79, 220, 278 



Chloroplasts, 73 



Coal, 66, 238 



Collodion varnishes, 44 ; films, 44 



Colloidal cellulose, 53 



Combustion, rapid method, 245 



Condition, water of, 5 



Cordite, 44, 309 



Cork, 225, 226 



Crude fibre,' Weende method of 

 estimation, 165 



Cutin, 228 



Cutocelluloses, 90. See Adipocellu- 

 loses 



Cutose, 90, 229, 230 



DECACRYLIC acid, 227 

 Dehydration, 245 

 Dextrose, 64, 74, 86, 222, 261 

 Diastase, 71 ; secretion by flower- 

 ing plants, 74 

 Diazotype process, 298 

 Drupose, 162 

 Dye woods, 204 

 Dyeing processes, 294 

 Dynamite, 309 



