m 



JtfiPORT— 1902. 

 QuiNONE BioxiUB— continued. 



Thickness of 

 laj'er of liquid 

 ill millimetres 



Description of Spectrum 



1 



A 



4 

 3 



1 milligram'moleGule in 12,500 c.c. alcohol. 



Spectrum continuous to . , . 3148 



AbsorjMon hand 3148-3295 



Rays transmitted from . . . 321)5-4656 

 (Spectrum nearly all transmitted.) 

 Spectrum practically all transmitted ; 



still weak in position of absorption 



band. 

 Spectrum practically all transmitted ; 



still weak in position of absorption 



band. 



Spectrum all transmitted . 



3176 

 3176-3034 

 3084-2147 



QuiNONE DiCHIORIMIDE. 



CgH.N.Clo. M.P. 124°. 



