INDEX OF SUBJECTS 



139 



Dipeptides, dissociation constants of, 



27 



Dispersoids, 10 

 Dissociation : 



and constitution, 28 



at the iso-electric point, 29 



of acid proteins, 59 sqq. 



of alkali proteins, 99 



of amino-acids, 27 



of amphoteric electrolytes, 24 



of dipeptides, 27 



ELECTRIC charge : 



due to ionisation, 14 



on natural albumin, 19 

 Electrical radiations, action on col- 

 loids, 13 



Electro-chemical equivalent of pro- 

 teins, 132 



Electrolysis of protein salts, 131 sqq. 

 Electrolytes, action on colloids, 12 

 Electrometric method, application of, 



56 sqq., 94 sqq. 

 Electrophoresis : 



apparatus, 19, 22 



of glutin in acid, 46 



of albumin in acid, 58, 62 



of albumin in alkali, 99 

 Equivalent : 



of casein, 135 



of globulin, 123 



GAS Laws, application of, 6 sqq. 

 Gels, 18 



Globulins, salts of, 121 sqq. 

 Glutoses, viscosity in acids, 91 



HARDY'S rule, 12 



Heterodrome and homodrome 



changes, 17 

 Hydration : 



of colloids, 10 



of protein ions, 92, 113 

 Hydrion concentrations in buffer 



solutions, 26 

 Hydro-colloids, n 

 Hydrolysis : 



of acid proteins, 80 sqq. ' 



of caseinates, 101 

 Hysteresis, 18 



IMBIBITION, 1 1 



of gelatin in buffer solutions, 40 

 Inversion method, application of, 56 

 Ionisation. See Dissociation. 



Irresoluble colloids, 15 

 Iso-electric point, 23 



dissociation at, 32 



hydrion concentrations at, 36 



methods of finding, 34 



Sorensen's method, 51 



properties of proteins at, 37 sqq. 

 Iso-electric reaction : 



in buffer solutions, 33 sqq. 



in strong acids, 49 sqq. 

 Isomerism in polypeptides, 118 

 Iso-molar transport point, 50 



KINETIC Theory, 7 



LACTAM and lactim forms, 87, 118 

 Lyophile and lyophobe colloids, n 



MAXIMUM of neutral particles, 31, 45 

 Migration velocity of protein ions, 



124 sqq. 

 Molecular weight : 



of albumin, 83 



of casein, 109 



of globulin, 123 



substances of high, 5 

 Mutual precipitation of colloids, 12 



NEGATIVE charge on natural albumin, 



23 

 Neutral albumin, properties of, 37 



OPTICAL rotation : 



of alkali albumin, 119 sq. 



of various acid albumins, 74 

 Osmotic pressure of proteins : 



in alkalis, 105 



in buffer solutions, 40 



in acids, 44 



Ostwald's basicity rule, application 

 of, 104 



PEPSIN, action on albumin, 88 sq. 



Peptide linkage, 87 sqq. 



Peptisation, 16 



Precipitation : 



of colloids, Bredig's theory, 15 



by acids, of albumin, 77 



by alcohol, 38 sq., 43, 66, 77, 



96 sqq. 



by alkalis, 99 

 by phenol, 88 



Protalbumose, viscosity in acids, 91 



