198 



COAL-TAR COLORS USED IN FOOD PRODUCTS. 



XVI. ANALYSES OF CERTIFIED LOTS OF PERMITTED COLORS, 



1909-10. 



TABULATION OP BE STILTS. 



The analytical results obtained on 74 batches of certified colors, 

 totaling upward of 32,000 pounds, are given in the following tables. 

 The analytical results are the work of the New York Food and Drug 

 Inspection Laboratory in the course of checking up the analytical 

 results certified to in foundation and in supplementary certificates. 

 The period covered by these examinations is approximately from 

 July, 1909, to January 1, 1910. 



Naphthol Yellow S. 



[Figures calculated to 100 parts pure color and arranged in the order of their size. Figures on the same 

 horizontal lines do not refer to the same samples; the dash line shows the location of the ! 



column.] 



s average of each 



Ponceau 3R. 



[Figures calculated to 100 parts pure color and arranged in the order of their size. Figures in the same 

 horizontal line do not refer to the same sample; the dash line shows the location of the average of each 

 column.] 



