SUBJECT INDEX 



Acid, definition, 11, 16, 18 

 Acid-amides, 14 

 Acid-fuchsin, 37 



Acidity, 94^109; determination, Chap- 

 ter II ; titratable, 95 

 Acidoid, 240, 261 



Acids, apparent dissociation of, 32; 

 degree of dissociation of, 48; 

 dissociation of, 29-37; dissociation 

 constants, tables, 31, 59; mixture 

 of two — , 46-48; polybasic, disso- 

 ciation of, 55-60; pseudo — , 32, 118; 

 pure, pH in solutions of, 37; solu- 

 bility, 77, 82. 



Active masses, 6, 160 



Activity, llOff., 132-3; coeflScient, 

 121ff.; factor, 114, 160; of H-ions, 

 128; theory, 87, llOff., 126, 127, 

 134-5, 160 



Adsorbents other than charcoal, 243 



Adsorption, Chapter X; apparent, 

 234, 268; definition, 231-2; equiva- 

 lent — , of H- and OH-ions, 242; 

 by exchange of ions, 244; of elec- 

 trolytes, 234, of H- and OH-ions, 

 236, 242; of other ions, 265; of ions 

 and charge formation, 245 



Adsorption potentials, Chapter X; 

 history of theory of, 277; relation 

 to phase boundary potentials, 285; 

 significance in physiology, 290 



Affinity constants, 5, 30 



Alcohol, 19 



Alkalinity, determination of. Chapter 

 II 



Ammonia, 16 



Ammonium bases, 16 



Ampholytes, 17; definition, 18; dis- 

 sociation of, 60ff., 141; isoelectric 

 point, 65-7; solubility, 86; table of 



dissociation constants and isoelec- 

 tric points, 72-3 



Ampholytoid, 240 



Amphoteric electrolytes, see Ampho- 

 lytes 



Atomic model, 8, 9, 15 



Autopotential, 117 



Bases, definition, 11, 16, 18; dissocia- 

 tion of, 37-39; table of dissociation 

 constants, 38 



Basoid, 240 



Blood (plasma), buffers in, 127; cal- 

 cium ions in, 85; solubility of cal- 

 cium carbonate in, 84; uric acid in, 

 80 



Buffers, 43-49; 104^9; activity and 

 pH of, 127-9; in blood, 127; in sea- 

 water, 127; in urine, 128 



Calcium ions in blood, 85 



Calcium carbonate in blood, 84 



Carbonic acid, dissociation constant 

 of, 34^5 



Cataphoresis, see Electrophoresis 



Charcoal, adsorption of electrolytes, 

 234; adsorption of H- and OH-ions, 

 236; as an ampholyte, 239, 243; 

 neutralizing effect of, 242 



Coehn's rule, 241, 288-90 



Colloids, 265, 290 



Concentration chains, 102, 160 



Concentration effect, 196 



Conductivity, coefficient, 121ff.; fac- 

 tor, 114; of H- and OH-ions, 152; 

 in oil phases, 150; influence of ionic 

 charge on, 117; molar, 112, of water, 

 24 



Crystallization optimum, 70 



297 



