304 



INDEX. 



the farm-yard, 214 — in plant, 245 

 —in mine, 223— in vinegar, 208 

 — in wine, 283 — reactions of, 78 



— standard solution of 48 



Superphosphates, ammonia in 235— 

 ash, 235 — complete analysis of, 

 23G — nitrogen in, 235— phosphor- 

 ic acid, insoluble, 236— soluble, 



235— water 234 



Tables 284 



Tanner's bark 2T0 



Tannic acid, as reagent, 10 — estima- 

 tion, lOT— in bark, 270— in wine, 

 280— occuri-ence, 145— reactions. 102 

 Tin, as reagent, 21 — use to elimi- 

 nate phosphoric acid 155 



Turmeric as reagent 21 



Uranic acetate as reagent, 21— stand- 

 ard solution of 78 



Urea as reagent, 22— estimation, 122 



—in urine, 221— reactions 122 



Uric acid, estimation, 105 — in guano. 

 233— in urine, 221— reactions, 105 



—separation from hippuric lOG 



Urine, ammonia in, 219— ash of, 218, 

 219 — carbon in, 223 — carbonic 

 acid, 218— chlorine, 220— dry sub- 

 stance in solution, 218— hippuric 

 acid, 221— hydrogen, 223— nitro- 

 gen, 219— phosphoric acid, 222— 

 sulphur and sulphuric acid, 223 

 —urea, 220— uric acid, 221— 



specific gravity of 217 



Valuation of manures 220 



Vinegar, acetic acid in, 268 — free 



sulphuric acid 268 



Vogel's optical milk test 265 



Washing bottle 33 



Water distilled as reagent 22 



Water, hygroscopic, estimation of 

 by simple desiccation on the 

 water-bath, 147 — estimation 

 when ammonia is present, 147— 



estimation by simple ignition, 

 147— estimation of in bark, 270 

 —in beets, 257— in bone-black, 

 230— bone-meal, 228— butter and 

 cheese,267— Chili saltpetre,239— 

 fodder,251— green parts of plants, 

 241— gypsum, 237— guano, 232— 

 marl, 206— milk, 263— potatoes, 

 261— roots, 241— salt, 238— seeds, 

 262— soil, 173— superphosphate, 

 234— wool 270 



Water, estimation of ammonia in, 

 272— of dry substance in solution 

 in, 271 — of hardness, Clark's 

 method, 27 4— hardness bj'Fleck's 

 method, 270— of lime in, 273— of 

 nitric acid, 272— of nitrous acid, 

 273— organic matter, 272 — the 

 same by titration with potassic 

 permanganate, 151 — potassa in.. 272 



Water, expulsion of from solutions, 

 see evaporation — relation of to 

 soil in liquid form, 193— as va- 

 por 192 



Wine, alcohol in, 279— alkalies in, 

 283 — ash of, 278 — average com- 

 position of, 283— dry substance 

 in solution, 278— free acids in, 

 280— gum and sugar, 279— malic 

 acid, 282— protein compounds, 

 278— specific gravity of, 278— 

 sugar, 279 — sulphuric acid free, 

 283— tannic acid, 280 — tartaric 

 acid 282 



Wolfi^s process for converting starch 

 into sugar Ill 



Wool, estimation of ash of, 270— of 

 efibct of washing at the factory, 

 270— Avatcr in, 270— preparation 

 of sample for examination 269 



Zinc as reagent, 22 — occurrence, 

 146 — reactions 72 



