INDEX. 



445 



Tissue, osseous, experiment on, 233 

 Tissue debris in urinary sediments, 351, 



361 



Toison's solution, preparation of, 213 

 Tollen's reaction on conjugate glycuro- 



nates, 334 

 galactose, 36 

 arabinose, 37 

 Topfer's method for quantitative analysis 



of gastric juice, 413 

 Topfer's reagent, as indicator, 123 



preparation of, 123 



Total solids, of milk, quantitative deter- 

 mination of, 41 1 



of urine, quantitative determina- 

 tion of, 408 



Total sulphur of urine, quantitative de- 

 termination of, 386-389 

 phosphorus of urine, quantitative 



determination of, 390 

 Tri-butyrin, 218 

 Trimethyl-oxyethyl-ammonium hydroxide 



(see Choline, 248) 

 Tri-olein, 133, 218 

 Tri-palmitin, 132, 143, 218 

 Tri-stearin, 133, 218 



Trichloracetic acid, precipitation of pro- 

 tein by, 97 

 Trioses, 22 

 Tripeptides, 88, 89 

 Triple phosphate, 247, 301, 344 

 crystalline form of, 301 

 formation of, 301 

 Trisaccharides, 22, 43 

 Trommer's test, 27 

 Tropseolin oo, as indicator, 124 



preparation of, 124 

 Trypsin (see also Pancreatic protease, 



i ) 9 



action of, upon proteins, 64 

 experiments on, 145 

 influence of alkalis and mineral acids 



upon, 141 

 nature of, 141 

 pure, preparation of, 141 

 Trypsinogen, 5, 141 



activation of, 142 

 Tryptic digestion, 140 



influence of bile on, 146 



metallic salts on, 146 

 most favorable reaction for, 145 



temperature for, 146 

 products of, 141, 145 

 Tryptic proteolysis, 121, 141 

 Tryptophane, 63, 73, 141, 145 

 bromine water test for, 145 

 formula for, 73 



group in the protein molecule, 91 

 Hopkins-Cole reaction for, 91 

 occurrence of, as a decomposition 



product of protein, 63, 73 

 occurrence of, as an end-product of 



pancreatic digestion, 141, 145 

 " Twinning " of oxyhaemoglobin crystals, 



190 

 Tyrosine, 63, .70, 90, 141 



Tyrosine, crystalline form of, 70, 72 



experiments on, 83 



formula for, 70 



Hoffmann's reaction for, 83 



in urinary sediments, 344, 349 



microscopical examination of, 83 



Morner's test for, 84 



occurrence of, 70 



Piria's test for, 83 



salts of, 71 



separation of, from leucine, 70, 82 



solubility of, 83 



sublimation of, 83 

 Tyrosine-sulphuric acid, 83 



v. Udransky's test for bile acids, 156, 326 

 Uffelmann's reagent, preparation of, 129 



reaction for lactic acid, 129 

 Unknown substances in urine, 305, 342 

 Unorganized ferments, i 

 Uranium acetate method for determina- 

 tion of total phosphates in urine, 389 

 Uracil, 107 



Wheeler-Johnson reaction for, 107 

 Urate, ammonium, crystalline form of, 



Plate VI, opposite p. 348 

 sodium, crystalline form of, 348 

 Urates in urinary sediments, 344, 347 

 Urea, 264, 265 



crystalline form of, 266 

 decomposition of, by sodium hypo- 



bromite, 268, 271 

 excretion of, 266 

 experiments on, 269 

 formation of, 267 

 formula for, 265 

 furfurol test for, 271 

 isolation of, from the urine, 269 

 melting-point of, 269 

 quantitative determination of, 374 

 Urea nitrate, 270 



crystalline form of, 268 

 formula for, 268 

 oxalate, 270 



crystalline form of, 270 

 formula for, 268 

 Urethral filaments in urinary sediments, 



351, 360 



Uric acid, 28, 236, 241, 264, 271, 372 

 crystalline form of pure, 274 

 endogenous 272 

 exogenous, 272 

 experiments on, 274 

 formula for, 271 

 in leukaemia, 273 

 in urinary sediments, 346 



crystalline form of Plate V, 



opposite p. 273, 347 

 isolation of, from the urine, 274 

 Moreigne's reaction for, 275 

 murexide test for, 274 

 origin of, 272 

 quantitative determination of, 



372 



Folin-Schaffer method 

 for, 372 



