422 



Soliilion Prepnrafion (sec. 1) 



in water 



per cent 



in absolute ethyl alcohol 

 per cent 



{from if mm (from {from 



Conn, 1953) Gurr, 1960) Conn, 1953) Gurr, 1960) 



neutral red 

 new fuchsin 

 nigrosin, ale. sol. 

 nigrosin ws 

 nile blue sulfate 

 oil red 

 orange G 

 orcein 

 phloxine B 

 picric acid 

 ponceau 2R 

 ponceau iS" 

 ponceau de xylidine 

 primilin 

 pyronin B 

 pyronin Y 

 quinoline yellow 

 rhodamin B 

 rhodamin 6G 

 safranin O 

 Sudan black B 

 Sudan III 

 Sudan IV 

 thioflavine S 

 thioflavine T 

 thionin 

 titian yellow 

 toluidine blue 

 trypan blue 

 victoria blue B 

 victoria blue 4R 



Solubilities of different batches of 

 when preparing saturated solutions. 

 not included, such as pinacyanole 

 Conn (1953); Gurr (1960). 



dyes can vary, but the above table can be consulted 

 Certain dyes whose solubilities were not available are 

 and saffron. For greater detail concerning dyes see: 



