VI CONTENTS. 



CHAPTER IV. SALTS OF COPPER. Continued. PAGE 



Copper Chloride in Methyl Alcohol with Water 49 



Copper Chloride in Ethyl Alcohol with Water 50 



Copper Chloride in Acetone with Water 50 



Copper Bromide in Water Beer's Law 51 



Copper Bromide in Water Molecules Constant 52 



Copper Bromide in Methyl Alcohol Beer's Law 52 



Copper Bromide in Ethyl Alcohol Beer's Law 53 



Copper Bromide in Methyl Alcohol with Water 54 



Copper Bromide in Ethyl Alcohol with Water 54 



Copper Nitrate in Water Beer's Law 55 



Copper Nitrate in Water Molecules Constant 56 



CHAPTER V. 



SALTS OF IRON 59 



Ferric Chloride in Water Beer 's Law 59 



Ferric Chloride in Water Molecules Constant 59 



Ferric Chloride with Calcium Chloride 60 



Ferric Chloride with Aluminium Chloride 60 



Ferric Chloride in Methyl Alcohol Beer's Law 61 



Ferric Chloride in Ethyl Alcohol Beer 's Law 61 



Ferric Chloride in Acetone Beer's Law 62 



CHAPTER VI. 



SALTS OF CHROMIUM 63 



Chromium Chloride in Water Beer 's Law 64 



Chromium Chloride in Water Molecules Constant 65 



Chromium Chloride with Calcium Chloride and Aluminium Chloride 65 



Chromium Nitrate in Water Beer's Law 66 



Chromium Nitrate in Water Molecules Constant 67 



CHAPTER VII. 



SALTS OF NEODYMIUM, PRASEODYMIUM, AND ERBIUM 68 



Preparation of Anhydrous Salts 71 



Neodymium Chloride in Water Beer's Law 72 



Neodymium Chloride in Water Molecules Constant 76 



Neodymium Chloride in Water with Calcium Chloride and with Aluminium 



Chloride 77 



Neodymium Chloride in Methyl Alcohol Beer's Law 77 



Neodymium Chloride in Ethyl Alcohol Beer's Law 78 



Neodymium Chloride in Mixtures of Methyl Alcohol and Water 79 



Neodymium Chloride in Ethyl Alcohol with Water 83 



Neodymium Chloride Anhydrous 84 



Neodymium Bromide in Water Beer 's Law 86 



Neodymium Nitrate in Water Beer's Law 87 



Neodymium Nitrate in Water Molecules Constant 91 



Neodymium Nitrate in Methyl Alcohol Beer's Law 91 



Neodymium Nitrate in Ethyl Alcohol Beer's Law 92 



Neodymium Nitrate in Acetone Beer's Law 92 



Neodymium Nitrate in Mixtures of Methyl Alcohol and Water 93 



Neodymium Nitrate in Mixtures of Acetone and Water 94 



Praseodymium Chloride in Water Beer's Law 94 



Praseodymium Chloride in Mixtures of the Alcohols and Water 95 



Praseodymium Nitrate in Water Beer's Law 96 



Erbium Chloride in Water Beer's Law 97 



Erbium Nitrate in Water Beer's Law 97 



CHAPTER VIII. 



SUMMARY AND CONCLUSIONS. . 100 



