112 



INDEX. 



PAGE 



Strengths of acids, possible method of 



measuring 62 



Summary 



And general discussion of results. . 87 

 Of neodymium spectra 40 



Sulphuric acid solution 



Of uranous sulphate 85 



Of uranyl sulphate 86 



Temperature, effect of 



On absorption spectra 73, 98 



On aggregates 83 



On relative intensity of solvate 

 bands 74 



Theory 



Of absorption spectra 89 



Of dynamic isomerism 18 



Unit of absorption S 



Uranium 



Absorption spectrum of solutions of 



certain salts of 43 



Spectra, absorption centers of 45 



Uranous 



Acetate, effect of the addition of 



nitric acid 65 



And uranyl bands 57. 94 



Bromide, oxidation by hydrogen 



peroxide 61 



Chloride in acetone 82 



Chloride in isobutyl alcohol 45 



Chloride in methyl ester 45 



Chloride in propyl alcohol 44 



PAGE 



Uranous chloride in water and methyl 



alcohol 82 



Chloride oxidation by hydrogen 



peroxide 58 



Chloride oxidized by hydrogen 



peroxide 60 



Oxidized to uranyl salts in solution 58 

 Salts, oxidation by nitric acid. ... 64 



Sulphate in sulphuric acid 85 



Sulphate, oxidation of 61 



Uranyl 



Aggregates, selective reduction of. . 70 



And uranous bands 57, 94 



( 'hloride and nitrate in methyl ester 81 



( hloride in acetone 81 



Chloride in butyl alcohol 43 



Chloride in ether 43 



Chloride in ethyl ester 44 



Chloride in formamide 44 



Chloride in hydrochloric acid 86 



Chloride in isobutyl alcohol 43, 81 



( hloride in isopropyl alcohol 43 



Chloride in methyl ester 44 



Chloride in methyl ester, reduction of 69 



Chloride in propyl alcohol 43 



Nil rate in acetone 44 



Nitrate in isobutyl alcohol 81 



Nitrate in methyl ester 44, 81 



Nitrate in nitric acid 86 



Nitrate in propyl alcohol 44, 81 



Salts in solution, reduction of 69 



Salts, reduction in solution 69 



Sulphate in sulphuric acid 86 



