COMPILED DATA UNDER GREEN TABLE NUMBERS. 



125 



G. T. 479. 



Trade names. Methyl Blue O; Brilliant Cotton Blue greenish; 

 XL Soluble Blue; Diphenylamin Blue; Bavarian Blue DBF; Soluble 

 Blue SB and 10B; Helvetia Blue. 



Scientific name. Sodium salt of triphenyl-pararosanilin tri- 

 sulphonic acid. 



Discovered and patented. 1862. 



Shade. Blue. Not offered. 



Nothing. 



FAVORABLE. 



UNFAVORABLE. 



1. CHLOPIN (p. 168} examined this color and on his own experiments classed it as 

 "suspicious" or "nonsuspicious" dependent upon the make of goods. 



Experimental data by Chlopin. 



No. i. 

 [1 gram=75 mg=52 grains.) 



No. 2. 

 [1 gram=152 mg. = 106 grains.] 



This preparation from Moscow; not suspicious. 



No. 3 (MEKCK'S PREPARATION). 

 [1 gram=147 mg=103 grains.] 



Conclusion: "Suspicious." 



