CONTENTS 



PART I 



THE PHYSICOCHEMICAL BASIS OF PHYSIOLOGICAL 



PROCESSES 



CHAPTER I PAGE 



GENERAL CONSIDERATIONS 1 



The Laws of Solution, 3 ; Gas Laws, 3 ; Osmotic Pressure, 4 ; Biological Methods 

 for Measuring Osmotic Pressure, 6; Hemolysis, 7; Plasmolysis, 8. 



CHAPTER II 

 OSMOTIC PRESSURE (CONT'D) . . 10 



Measurement by Depression of Freezing Point, 10; The Role of Osmosis Dif- 

 fusion, and Allied Processes in Physiological Mechanisms, 11. 



CHAPTER III 



ELECTRIC CONDUCTIVITY, DISSOCIATION, AND IONIZATION 16 



Biological Applications, 19. 



CHAPTER IV 



THE PRINCIPLES INVOLVED IN THE DETERMINATION OF HYDROGEN-ION CONCENTRATION 22 

 Titrable Acidity and Alkalinity, 22; Actual Degree of Acidity or Alkalinity, 

 23; Mass Action, 23; Application to the Measurement of H-ion Concentration, 

 26; Application in Determining the Real Strength of Acids or Alkalies, 28. 



CHAPTER V 

 THE PRINCIPLES INVOLVED IN THE MEASUREMENT OF HYDROGEN-ION CONCENTRATION 



(CONT'D) . . 29 



The Electric Method, 29 ; The Indicator Method, 32. 



CHAPTER VI 



REGULATION OF NEUTRALITY IN THE ANIMAL BODY AND ACIDOSIS 36 



Buffer Substances, 36; Theory of Acidosis, 38; Measurement of the Reserve 

 Alkalinity, 41; Titration Methods, 41; CO 2 -combining Power, 42; Indirect 

 Methods, 46. 



CHAPTER VII 



COLLOIDS * .... 50 



Characteristic Properties, 50; Characteristics of True Colloidal Solutions, 

 51; Tyndall Phenomenon, 51; Relative Indiffusibility, 51; Electric Proper- 

 ties, 55; Brownian Movement, 57; Osmotic Pressure, 57. 



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