CONTENTS 



Part I. 



PAGE. 



The Method 5 



Conductivity Cells 5 



Cell Constants 6 



Cell Constants at Higher Temperatures. 7 



Solubility of Glass 7 



Preparation of the Solutions 8 



Water 9 



Baths 9 



Investigators Who Have Worked on the 



Problem 11 



The Results 11 



Lithium Chloride 12 



Lithium Bromide 12 



Lithium Nitrate 13 



Lithium Sulphate 13 



Sodium Chloride 14 



Sodium Bromide 14 



Sodium Iodide 15 



Sodium Nitrate 15 



Sodium Chlorate 16 



Sodium Perchlorate 16 



Sodium Sulphate 17 



Sodium Carbonate 17 



Sodium Acid Phosphate 18 



Sodium Ammonium Acid Phosphate ... 18 



Sodium Ferrocyanide 19 



Sodium Tetraborate 19 



Sodium Acetate 20 



Potassium Chloride 20 



Potassium Bromide 21 



Potassium Iodide 21 



Potassium Nitrate 22 



Potassium Chlorate 22 



Potassium Perchlorate 23 



Potassium Sulphate 23 



Potassium Acid Sulphate 24 



Potassium Carbonate 24 



Potassium Acid Phosphate 25 



Potassium Phosphate 25 



Potassium Sodium Sulphate 26 



Potassium Nickel Sulphate 26 



Potassium Chromium Sulphate (Violet). 27 



Potassium Chromium Sulphate (Green). 27 



Potassium Permanganate 28 



Potassium Chromate 28 



Potassium Dichromate 29 



Potassium Ferrocyanide 29 



Potassium Aluminium Sulphate 30 



Potassium Acetate 30 



Potassium Sulphocyanate 31 



Ammonium Chloride 31 



Ammonium Bromide 32 



Tetraethylammonium Iodide 32 



Ammonium Nitrate 33 



Ammonium Sulphate 33 



Ammonium Acid Sulphate 34 



Ammonium Aluminium Sulphate 34 



Ammonium Chromium Sulphate (Violet) 35 



PAGE. 



Ammonium Chromium Sulphate (Green) 35 



Ammonium Copper Sulphate 36 



Calcium Chloride 36 



Calcium Bromide 37 



Calcium Nitrate 37 



Calcium Chromate 38 



Calcium Formate 38 



Strontium Chloride 39 



Strontium Bromide 39 



Strontium Nitrate 40 



Strontium Acetate 40 



Barium Chloride 41 



Barium Bromide 41 



Barium Nitrate 42 



Barium Formate 42 



Barium Acetate 43 



Magnesium Chloride 43 



Magnesium Bromide 44 



Magnesium Nitrate 44 



Magnesium Sulphate 45 



Magnesium Formate 45 



Magnesium Acetate 46 



Zinc Nitrate 46 



Zinc Sulphate 47 



Zinc Acetate 47 



Cadmium Chloride 48 



Cadmium Bromide 48 



Cadmium Iodide 49 



Manganous Chloride 49 



Manganous Nitrate 50 



Manganous Sulphate 50 



Nickel Chloride 51 



Nickel Nitrate 51 



Nickel Sulphate 52 



Nickel Acetate 52 



Cobalt Chloride 53 



Cobalt Bromide 53 



Cobalt Nitrate 54 



Cobalt Sulphate 54 



Cobalt Acetate 55 



Silver Nitrate 55 



Cupric Chloride 56 



Cupric Bromide 56 



Copper Nitrate 57 



Copper Sulphate 57 



Lead Chloride 58 



Lead Nitrate 58 



Lead Acetate 59 



Aluminium Chloride 59 



Aluminium Nitrate 60 



Aluminium Sulphate 60 



Ferric Chloride 61 



Ferric Nitrate 61 



Chromic Chloride 62 



Chromic Nitrate 62 



Chromic Sulphate 63 



Uranyl Chloride 63 



Uranyl Nitrate 64 



in 



