ANALYSIS OF PERMITTED COLORS, 1907. 



187 



Detailed analytical data obtained on several samples of each of the permitted colors (per 



cent) Continued. 



GREEN TABLE No. 107. AMARANTH-Continued. 



GREEN TABLE NO. 517. ERYTHROSTN. 



GREEN TABLE NO. 692. INDIGO DISULPHO ACID. 



RECALCULATION OF ANALYTICAL DATA ON BASIS OF COLORING 

 MATTER PRESENT. 



The difficulties in the way of translating these analytical data into 

 proximate constituents are so great, in so many of the cases, as to 

 make any attempts to obtain practical results in that way absolutely 



