INDEX. 



Absorption and emission spectra, meth- 

 ods of studying 16 



spectra of anhydrous ur- 



anyl chloride 99 



of erbium nitrate and 

 other salts of erb- 

 ium 64 



of uranium com- 

 pounds 85 



of uranyl chloride. . 89 



organic 10 



Acetate of chromium 54 



of cobalt 38 



of nickel 44 



Alum, chrome 54 



Aluminium and uranous chlorides in 



water 123 



chloride and chromium chlo- 

 ride . .. 52 



and cobalt chloride . 39 

 Anderson's method for studying the 

 effect of temperature on absorption 



spectra 20 



Anhydrous uranyl acetate Ill 



chloride, absorption 



spectra of 99 



nitrate, absorption of, 107 



Aqueous solutions of cobalt salts 34 



Atomic structure and spectra 9 



Banded spectra 7 



Bibliography 145 



Bromide of copper 47 



Calcium chloride and chromium chloride 52 



and cobalt chloride.. . . 38 



Chemical analysis, spectrum method of. 8 



Chloride of chromium 51 



of nickel 43 



of praseodymium 65 



of uranyl 88 



Chromate potassium 25 



Chrome alum 54 



Chromium acetate 54 



chloride 51 



and aluminium chlo- 

 ride 52 



and calcium chloride 52 

 in water conductiv- 

 ity and tempera- 

 ture coefficients. . 55 



nitrate 53 



in water conductiv- 

 ity and tempera- 

 ture coefficients.. . . 55 



salts 49 



sulphate 53 



Chromophores, theory of 11 



Cobalt acetate 38 



bromide in water conductivity 



and dissociation 41 



chloride and aluminium chloride 39 



and calcium chloride 38 



in water conductivity 



and dissociation 41 



nitrate 37 



in water conductivity 



and dissociation 41 



salts 31 



in glycerol 34 



in water 34 



sulphate 38 



sulphocyanate 40 



Complexity of spectrum problem 13 



Conductivity and dissociation of cobalt 



bromide in water 41 



and dissociation of cobalt 



chloride in water 41 



and dissociation of cobalt 



nitrate in water 41 



and dissociation of nickel 



chloride in water 45 



and dissociation of nickel 



nitrate in water 45 



and temperature coeffi- 

 cients of chromium chlo- 

 ride in water 55 



and temperature coeffi- 

 cients of chromium ni- 

 trate in water 55 



and temperature coeffi- 

 cients of uranyl acetate 



in water 116 



and temperature coeffi- 

 cients of uranyl chloride 



in water 115 



and temperature coeffi- 

 cients of uranyl nitrate 



in water 115 



Copper bromide 47 



nitrate 47 



salts 47 



Description of the plates 147 



Dichromate potassium 26 



Discussion of results 137 



Dynamic isomerism, theory of 12 



Emission and absorption spectra, meth- 

 ods of studying 16 



Erbium chloride in glycerol 63 



in water effect of tem- 

 perature 63 



nitrate and other salts of erbi- 

 um, absorption spectra of 64 



salts 57 



Experimental methods used 19 



157 



