152 A STUDY OF THE ABSORPTION SPECTRA. 



Plate 51. A. Uranyl and Aluminium Chlorides in Water. Depth of cell constant, G mm. 

 Concentration of Uranyl Chloride constant at 0.25 normal. Concentra- 

 tions of Aluminium Chloride, 2.02, 1.61, 1.21, 0.81, 0.4, and 0. 



B. Uranyl and Aluminium Chlorides in Water. Depth of cell constant, 3 mm. 

 Concentration of Uranyl Chloride constant at 0.25 normal. Concentra- 

 tions of Aluminium Chloride, 2.02, 1.61, 1.21, 0.81, 0.4, and 0. 

 Plate 52. A. Uranyl and Calcium Chlorides in Water. Depth of cell constant, 13 mm. 

 Concentration of Uranyl Chloride constant at 0.25 normal. Concentra- 

 tions of Calcium Chloride. 



B. Uranyl and Calcium Chlorides in Water. Depth of cell constant, 3 mm. 

 Concentration of Uranyl Chloride constant at 0.25 normal. Concentra- 

 tions of Calcium Chloride. 

 Plate 53. A. Uranyl Chloride in Methyl Alcohol. Beer's Law. Depths of cell, 24, 19, 

 15, 12, 9.5, 7.5, and 6 mm. Concentrations, 0.0625, 0.079, 0.10, 0.125, 

 0.15S, 0.20, and 0.25 normal. 



B. Uranyl Chloride in Methyl Alcohol. Depth of cell constant, 6 mm. 

 Concentrations 0.0625, 0.079, 0.10, 0.125, 0.158, 0.20, and 0.25 

 normal. 

 Plate 54. A. Uranyl and Calcium Chlorides in Methyl Alcohol. Concentration Uranyl 

 Chloride, 0.125 normal. Depth of cell, 6 mm. Concentrations of 

 Calcium Chloride, 0.0, 0.144, 0.29, 0.43, 0.57, 0.72, and 0.9 normal. 



B. Uranyl and Calcium Chlorides in Methyl Alcohol. Concentration of Uranyl 

 Chloride, 0.125 normal. Depth of cell, 3 mm. Concentrations of Calcium 

 Chloride, 0.0, 0.144, 0.29, 0.43, 0.57, 0.72, and 0.9 normal. 

 Plate 55. A. Uranyl Chloride in Methyl Alcohol. Depth of cell, 15 mm. Concentra- 

 tions, 0.0625, 0.079, 0.10, 0.125, 0.158, 0.20, and 0.25 normal. 



B. Uranyl Nitrate in Methyl Alcohol. Depth of cell constant, 15 mm. Con- 

 centrations, 0.05, 0.063, 0.079, 1.0, 1.24, 1.58, 0.2 normal. 

 Plate 56. Uranyl Chloride in Methyl Alcohol and Water. Concentration of Uranyl 

 Chloride, 0.1 normal. Percentages of Water, 100, 50, 40, 32, 24, 16, 

 and 8. 



A. Depth of cell, 16.7 mm. 



B. Depth of cell, 6 mm. 



Plate 57. A. Uranyl Chloride in Ethyl Alcohol. Depth of cell constant, 15 mm. Con- 

 centrations of Uranyl Chloride, 0.0625, 0.079, 0.1, 0.125, 0.158, 0.2, 

 and 0.25 normal. 

 B. Uranyl Chloride in Methyl Alcohol and Water. Depth of cell constant, 

 6 mm. Concentration of Uranyl Chloride constant. Percentages of 

 Water, 100, 50, 40, 32, 24, 16, and 8. 



Plate 58. A. Uranyl Chloride in Ethyl Alcohol. Concentrations, 0.0625, 0.079, 0.1, 

 0.125, 0.158, 0.2, and 0.25 normal. Depths of cell, 24, 19, 15, 12, 9.5, 

 7.5, and 6 mm. 

 B. Uranyl Chloride in Ethyl Alcohol. Depth of cell constant, 6 mm. 

 Concentrations, 0.0625, 0.079, 0.1, 0.125, 0.158, 0.2, and 0.25 

 normal. 



Plate 59. A. Uranyl Chloride in Glycerol. Depth of cell constant, 10 mm. Concentra- 

 tions, 0.176, 0.132, 0.088, 0.059, 0.041, 0.030, and 0.022 normal. 

 B. Uranyl Chloride in Glycerol. Depth of cell constant, 5 mm. Concentra- 

 tions, 0.176, 0.132, 0.088, 0.059, 0.041, 0.030, and 0.022 normal. 



Plate 60. Uranyl Chloride in Mixtures of Glycerol and Methyl Alcohol. Concentration 

 of Uranyl Chloride constant, 0.176 normal. Percentages of Methyl 

 Alcohol, 0, 15, 30, 45, 60, 75, and 90. 



A. Depth of cell, 25 mm. 



B. Depth of cell, 3 mm. 



Plate 61. A. Uranyl Chloride in Water. Concentration 1.0 normal. Depth of cell, 

 3 mm. Temperatures, 6, 18, 34, 52, 68, and 82 C. 

 B. Uranyl Chloride in Water. Concentration, ^ T normal. Depth of cell, 196 mm. 

 Temperatures, 6, 18, 29, 44, 59, 71, and 81 C. 



