190 



FLUORESCENCE OF THE URANYL SALTS. 



- UR. POTASSIUM SULPHATE IN SULPHURIC ACID. 1:20 



.^r-v S^*\ -X" 1 "v 



-38 





-90 



-120" 



/TV 



-ISO" 



-180 



^ 



I6|00 



ie|oo 



20JOO 





FIG. 94. 



hence ii is clear that the presence of sulphuric acid in excess is essential 

 to resolution of this type. 



The homologous components formed frequency intervals which were 

 constant and of the same length as those of the parent bands; i. e., the 

 homologous components form separate series. 



TABLE 114. Uranyl potassium sulphate in sulphuric acid. 



