292 



INDEX 



Swelling, influence of pH on, 76-82, 



222, 227 

 of valency on, 76-82, 105- 



107 



of casein, 222-229, 267-272 

 of fibrin, 106, 107 

 of gelatin blocks, 76 

 of powdered gelatin, 38, 77-82 

 theory of, 23-26, 189-194 



Titration, 5, 40-64 



for bromine, 38, 39, 55-57 

 with NaOH, 56 

 Titration curves, albumin in acids, 



44, 46 



in alkalies, 60 

 casein in acids, 54 



in alkalies, 61 

 gelatin in acids, 50, 59 

 in alkalies, 62 



U 



Ultramicrons, 3 

 Urea, 8 



Valency effect, 13-15, 65-87, 99-111, 



132-135, 172-179, 256-261 



on osmotic pressure, 65-76, 



172-179, 256, 257 

 on P.D., 132-135 

 on precipitation, 258-261 

 on swelling, 76-82, 105-107 

 on viscosity, 82-87, 99-104 

 Van Slyke, L. L., 52, 53, 222 

 van't Hoff, 169 

 Viscosity, of albumin solutions, 



198-202, 205 

 curves for, 199-200 

 influence of, concentration on, 



200 



pH on, 198, 199 

 temperature on, 205 

 of amino acids, 197, 198 

 of casein solutions, 86, 87, 

 221-320 



Viscosity, of casein solutions, curves 



for, 87, 225, 262 

 influence of, pH on, 86, 87, 



225, 226 



valency on, 86, 87 

 of gelatin solutions, 82-86, 198, 



203, 204, 213-221 

 curves for, 38, 83-85, 198, 



201, 213, 215, 216, 221 

 effect of salts on, 90-100, 



102-104, 217 

 curves for, 91-96, 98, 

 100, 102, 104, 217, 

 219, 220 

 effect of standing on, 213- 



220 

 influence of, cane sugar on, 



109 

 concentration on, 201, 



203, 204 

 pH on, 83-86, 198, 213, 



216, 221, 240 

 temperature on, 201, 215, 



219-221 



valency, 82-86, 99 

 of gelatin suspensions, 206-212 

 curves for, 207-210 

 effect of salts on, 210-212 

 influence of pH on, 207-209 

 of mixtures of liquid and pow- 

 dered gelatin, 238-241 

 theory of, 195-231 



W 



Weimarn, von, 275 



Werner, A., 32, 33, 41, 42 



Wilson, J. A., 3, 23, 24, 62, 63, 124, 

 130, 143, 151, 170, 189, 190, 

 191, 192, 269, 270, 272 



Wilson, W. H., 3, 190 



Wintgen, R., 62 



Wood, T. B., 8, 10 



Zsigmondy, R., 2, 3, 5, 11, 76, 77, 

 113, 204, 205 



