INDEX. 



401 



Tryptic broth, 226 



Tryptophane, 40, 87 



action of bacteria on, 226 

 preparation, 87 

 properties of, 93, 217 



Tyrosinase, 232 



Tyrosine, 



action of bacteria on, 223 

 preparation of, 95, 218 

 properties, 96 



Uffelmann's test 



for lactic acid, 181 

 Uracil, 63 

 Urates, 293 

 Urea, 286 



constitution of, 288 



detection of, 290 



estimation of, 334 



isolation of, 291 



nitrate, 289 



oxalate, 288 

 Uric acid, 292 



crystals of, 294, 297, 319 



estimation of, 341 



in urine, 297 



origin of, 63, 294 

 Urine, 



abnormal, 302 



acidity of, 30, 273 



albumin in, 302 



average composition, 269 



deposits in, 319 



diastase in, 359 



inorganic constituents, 280 



osmotic pressure, 272 



PH, 30. 273 



pigments, 278 

 proteins in, 302 

 reaction, 30, 273 

 specific gravity of, 271 

 sugar in, 308 

 total nitrogen of, 321 

 total solids of, 272 



Urinometer, 272 



Urobilin, 267, 278 

 tests for, 279 



Urobilinogen, 267, 278 



Urochrome, 278 



Uroerythrin, 278 



Urorosein, 279 



Valine, 68 

 Volhard's method 

 for chlorides, 199, 



352 



Weights and measures, 375 

 Werner 



on urea, 288 

 Weyl's test 



for creatinine, 179, 301 

 Wheat flour, 174 

 Whey, 207 

 Witte's peptone, 52 

 Wohlgemuth's method 



for diastase in urine, 359 



for pytalin, 188, 192 

 Wood-Ost's method for sugar, 126 



Xanthine, 180 

 Xanthoproteic reaction, 38 

 Xylose, 101 



CC 



