STAINING, PRACTICAL AND THEORETICAL 



(2) FaLg2 = DIFALGIC ACID 



Formed when the acidfuchsin accepts two molecules of light green. 



NaOsS— I 



1— CHs 



SOsNa SOsNa 



SOsNa SOsNa 



Synonyms: MG violet, Falg violet. 



(C94H84N7022S8Na6) 



Michrome No. 819. Molecular weight 2058-178, pH ^'S' 

 Solubility at 15° C; water all proportions, absolute alcohol nil. 



* 1% in neutral distilled water; see pages 17 and 29. 



80 



