CONTENTS. 



PAGE 



INTRODUCTION 1 



HISTORICAL SKETCH 3 



Inorganic Solvents . 3 



Hydrocyanic Acid 3 



Water 3 



Ammonia 4 



Nitric Acid 4 



Sulphur Dioxide 4 



Organic Solvents 7 



Hydrocarbons 7 



Alcohols 7 



Ethyl Alcohol 8 



Higher Alcohols 9 



Ether 10 



Ketones 10 



Acids 11 



The Nitriles and Cyanogen 11 



Pyridine 12 



Other Organic Solvents . . 12 



Mixed Solvents 13 



Hydrogen Dioxide and Water 13 



Mixtures of Water and Alcohols 13 



Conductivity and Viscosity 16 



Viscosity 19 



WORK OF LINDSAY 24 



Experimental 24 



Apparatus 24 



Solvents 25 



Water 25 



Methyl Alcohol 25 



Ethyl Alcohol 25 



Propyl Alcohol 25 



Solutions .... 26 



Conductivity Measurements 26 



Potassium Iodide 26 



Ammonium Bromide 30 



Strontium Iodide 32 



Cadmium Iodide 34 



Lithium Nitrate .35 



Ferric Chloride . .38 



Summary 40 



iii 



