634 



INDEX 



Sodium alizarin sulphonate, preparation of, 154, 



158 



Sodium chloride, crystalline form, 267 

 Sodium chloride in urine, 409, 556, 561, 576 

 Sodium hypobromite solution, preparation of, 601 

 Sodium nitrite-ferrous sulphate reaction for di- 



acetic acid (Hurtley), 440 

 Sodium nitroprusside test for acetone, 437 

 Sodium sulphide solution, preparation of, 607 

 Solera's reaction for detection of thiocyanate in 



saliva, 59 



test paper, preparation of, 59 

 Soluble starch, n, 43, 56 



as indicator, 165, 280, 286, 524, 533 

 Sorensen's formol titration method for amino 



nitrogen, 502 



indicator method for hydrogen ion concen- 

 tration, 158, 480 



Soxhlet apparatus for extraction of fat, 326 

 Soxhlet lactometer, determination of specific 



gravity of milk by, 324 

 Specificity of enzyme action, 7 

 Spectroscope, use of in detection of blood, 297 

 Spermatozoa in urinary sediments, 473 



microscopical appearance of human, 474 

 Spiegler's ring test for protein, 104, 424 



reagent, preparation of, 104, 424 

 Spiro's reaction for hippuric acid, 390 

 Spongin, 69 



Standard ammonium thiocyanate solution, prepa- 

 ration of, 594 

 creatinine solution, 599 

 iodine solution, 602 

 potassium permanganate, 605 

 picramic acid, 605 



silver nitrate solution, preparation of, 606 

 sodium alcoholate, 607 

 sodium thiosulphate, 604, 607 

 uranium acetate solution, preparation of, 609 

 uric acid solution, 610 

 Starch, 20, 43 



action of alcohol on iodide of, 45 

 action of alkali on iodide of, 45 



heat on iodide of, 46 

 dry, digestion of, by pancreatic amylase, 



188, 192 



dry, digestion of, by salivary amylase, 60 

 experiments on, 43 

 hyperglycemia produced by, 567 

 iodine test for, 45 



microscopical characteristics of, 43, 44 

 microscopical examination of, 45 

 potato, preparation of, 43 

 soluble, ii, 43, 56 

 soluble starch as indicator, 165, 280, 286, 



524, 533 

 solubility of, 43 

 various forms of, 44 

 Starch group, 20 



Starch paste, action of tannic acid on, 45 

 diffusibility of, 45 

 digestion of, by pancreatic amylase, 188 



191 



by salivary amylase, 10, 56, 59 

 Fehling's test on, 45 

 hydrolysis of, 45 

 iodic acid paper, 59 

 preparation of, 45 



Steapsin (see Pancreatic lipase, 5, 13, 178, 188, 



193 



Stearic acid, 177, 354 

 Stearin, 177, 178, 313 

 Stellar phosphate, 322, j6o 

 Stercobilin, 222 

 Stokes' reagent, action of, 296 



preparation of, 296 



Stomach contents, lactic acid in tests for, 170 

 examination of, 159 

 peptide-splitting enzyme in, 142, 199 

 removal of, 161 

 tube, Rehfuss, 149 



Stomach, motor and functional activities of, 159 

 Stone-cystine, 77 

 Sturine, 67, 68, 93 

 Sublingual glands, characteristics of saliva 



secreted by, 54 

 Submaxillary glands, characteristics of saliva 



secreted by, 54 

 Substrate, 3 

 Succinic acid, 214 

 Sucrase, 4, 14, 195, 200 



experiments on, 14, 200 

 vegetable, 14 

 Sucrose, 19, 41 



experiments on, 42 

 inversion of, 42 

 production of alcohol from, 42 

 structure of, 41 



Sucrose-H2SO4 test (Pettenkofer) , 208, 434 

 Sulphanilic acid, 455 

 Sulphates in saliva, test for, 59 

 Sulphates in urine, 370, 403, 546 

 ethereal, 404, 551 



quantitative determination of, 547 

 experiments on, 404 

 inorganic, 404, 550 



quantitative determination of, 547 

 total, quantitative determination of, 546, 



551 

 Sulphocyanides (see Thiocyanates, 55, 59, 369, 



392) 



Sulphur in protein, 63, 108 

 acid, 108 

 in urine, gravimetric determination of, 546 



volumetric determination of, 550 

 lead blackening, 108 

 loosely combined, 108 

 mercaptan, 108 

 neutral, 108, 404 

 oxidized, 108 

 "partition," in urine, 577 

 tests for, 108 

 unoxidized, 108 

 Sulphuric acid test (Piria), 86 

 Surface tension test for bile acids (Hay), 209, 434 

 Suspension of manganese dioxide, 513 

 Synthesis of hippuric acid, 585 



demonstration of, 585 



Tallow bayberry, saponification of, 181 

 Tallquist's hemoglobin scale, determination of 



hemoglobin by, 304 



Tannic acid, influence of, on dextrin, 48 

 on starch, 45 



precipitation test for proteose (Ott), 

 429 



