634 PRACTICAL ORGANIC AND BIO-CHEMtSTRY 



Separation of serum proteins, 443. 



solids, 25. 



and liquids, 15-16. 



Sericin, 456. 



Series, homologous, 49, 93. 

 Serine, 137, 361. 

 Serosa, mucin, 469. 

 Serum, 370, 438, 441. 



albumin, 361, 443, 444, 445. 



globulins, 361, 443-444. 445- 



mucoid, 471. 

 Sesquiterpenes, 313, 318. 

 Sherer's test (inositol), 311. 

 Side chain, 251, 252. 



Sidersky's method (glucose estimation), 231. 

 Silk, 267, 456. 

 Silk-fibroin, 361, 456. 



gelatin, 456. 



peptone, 407. 

 Sinigrin, 163. 

 Sitosterol, 322. 



Size of colloidal particles, 378. 

 Soaps, 99, 177, 178, 320, 374, 384, 386. 

 Sodamide, 155. 

 Sodium estimation, 548. 



nitroprusside, 157. 



test (aceto acetic acid), 120. 



(acetone), 48, 91. 



- (creatinine), 48, 171. 



(indole), 48, 343. 



Solids, isolation from solution, 26-27. 



purification, 17. 



separation from liquids, 15-16. 

 of, 25-26. 



Sols, 375, 380, 384, 385, 386. 

 Soluble ferments, 391. 



myosin, 447. 



starch, 206. 

 Solution, 19. 



Solvent action of bile, 431. 

 Solvents, extraction with, 25. 



for crystallisation, 17-18. 

 Sorbitol, 174, 190, 194. 

 Sorbose, 184, 186 



Sorensen's method (trypsin), 425. 



Soxhlet apparatus, 178. 



Specific action of enzymes, 393, 403. 



gravity of blood, 472-473. 



milk, 457. 



urine, 539. 



rotatory power, 220. 

 Spectroscope, 478. 



Spectroscopic examination (haemoglobin and 



derivatives), 478-485. 

 Spectrum, 478. 

 Spermaceti, 70, 175. 

 Sphingomelin, 176. 

 Sphingosine, 176. 

 Spongin, 456. 

 Spongosterol, 321. 

 Stachydrine, 150, 351. 

 Stachyose, 184, 202. 



Starch, 17, 4, 184, 188, 201, 205-207, 374, 

 377. 384, 39i, 395, 397, 452. 



action of diastase, 399-401, 417-418. 



estimation, 585, 587. 



paste, 205. 

 Stearic acid, 99, 175. 



Stearin, 175. 

 " Steanne," 99. 

 Stercobilin, 564. 

 Stereoisomerism, in, 185. 

 Stigmasterol, 322. 

 Stomach contents, 427. 



digestion in, 397. 

 Storax, 259. 

 Strychnine, 351, 357. 

 Sturine, 432. 

 Styrene, 252. 

 Suberane, 237. 

 Suberone, 237. 

 Sublimation, 27. 



Submaxillary gland (mucin), 468. 

 Substituted amides, 126-127, 141. 

 Substitution derivatives, benzene, 240-273. 



halogen, 57-62. 



Substrate (enzyme action), 394, 399, 413. 

 Succinic acid, 114. 



anhydride, 276. 

 Succinimide, 276, 305. 

 Succinyl dialdpxime, 305. 

 Succus enteridus, 398, 401, 402. 

 Sucrase, 395. 



Sucroclastic enzymes, 394, 395, 396. 

 Sucrose, 184, 197, see Cane sugar. 

 Suffix -ane, 50. 

 ase, 394. 



-ene, 54. 

 ine, 54. 



-ol, 63, 241. 

 ose, 183. 



Sugars, 183-236, 374, 391. 



Sulphanilic acid, 263. 



Sulphates, estimation in urine, 541-543. 



Sulphaemoglobin, 481. 



Sulphides, 78, 79, 541. 



Sulphobenzoic acids, 264. 



Sulphocyanic acid, 162, see Thiocyanic acid. 



Sulphocyanides, 153, see Thiocyanates. 



Sulphonation, 243. 



Sulphonic acids, 78, 163. 



Sulphur, detection, 30. 



estimation, 40. 



in urine, 541. 



in cystine, 144. 



reaction (proteins), 366. 

 Sulphuric acid, ethyl, 71, 73, 74. 



ether, 76. 



Surface coating, egg-white solution, 382. 

 tension, 383, 389. 



bile, 430. 



Suspensions, 377, 378, 380. 

 Suspensoids, 378, 380, 385, 386. 

 Sylvestrene, 316, 317. 

 Synthesis by enzymes, 391, 415. 

 Syntonin, 448. 



TALLQUIST'S method (haemoglobin), 486. 



Tannic acid, 273. 



Tannin, 238, 273, 274, 275, 386. 



Tannins, 274, 275. 



Tartar, 115. 



Tartaric acid, 113. 114, 115-117. 



Tartronic acid, no. 



Tartronyl urea, 280. 



Taurine, 144-145, 322, 329. 



