ON THE ACTION OF LIGHT UPON DYED COLOURS. 



291 



Wool Book XIV. 

 Direct Cotton *3. 

 Colours 

 developed 



5. 



benzidine and /3-amido-naphthol- 

 with Fast Blue Developer AD. 



Developed with 

 Developed with 



Basic Colours. 



Diamine Black ROO. From 



sulphonic acid ; developed 



S. and J. III. 187. 

 Diazo Black E. Constitution not published. 



/8-naphthol. 

 Diazo Black H. Constitution not published 



/3-naphthol. 

 Diamine Black BO. From ethoxy-benzidine and amido-naphthol- 



sulphonic acid 7 ; developed with Fast Blue Developer AD, 



S. and J. III. 229. 



Oxazine Colours. 

 1. Cotton Black. Constitution not published. 



Natural Colouriny Matters. 

 Mordant Colours. Limawood (Fe). Ca3salpinia echinata (wood). 



Notes. — The 



following 



colours acquire a reddish 

 Azo Acid Blacks B and G, 



or purplish tint 

 during the fading process : Azo Acid Blacks B and G, Columbia Blacks 

 B and R, Union Black S, Oxy-diamine Black SOOO, Diamine Black BO 

 and BO. An olive tint is acquired by Dii'ect Deep Black T. 



Class III. Moderately Fast Colours. (Wool.) 



Induhne Colours. 

 Wool Book XIV. 



Acid Colours. *9. Nigrisine. Sodium salt of an induline-sulphonic acid. S. andJ. 

 in. 475. 

 „ *10. Brilliant Black EB. Constitution not published. 



Basic Colours 2a. Nigrisine J. Condensation product of ^^-nitroso-dimethyl- 

 aniline 

 „ 3«. Nigrisine. Similar to Nigrisine J. S. and J. III. 502. 



Acid Colours *5. 



II. 



*41. 



16. 



*17. 



*18. 

 *20. 



*22. 



25. 



28. 

 *29. 



30. 



31. 

 *32. 

 *33. 



34. 



Azo Colours. 



Naphthol Black 4R. Constitution not published 



Jet Black E. From amido-benzene-disulphonic-acid-azo-a- 



naphthylamine and phenyl-o-naphthylamine. S. and J. III. 



150. 

 Naphthylamine Black. From o-naphthylamine-disulphonic- 



acid-azo-a-naphthylamine and o-naphthylamine. S. and J. 



III. 153. 

 Acid Black B. Constitution not published. 

 Acid Black 2B. Constitution not published. 

 Naphthol Black 6B. From a-naphthylamine-disulphonic acid- 



azo-a-naphthylamine and )3-naphthol-disulphonic acid R. 



S. and J. in. 154. 

 Naphthol Black 3B. Constitution not published. 

 Victoria Black B. From sulphanilic acid-azo-o-naphthylamine 



and 0-naphthol-sulphonic acid S. S. and J. III. 149. 

 Naphthol Black B. From ;3-naphthylamine-7-disulphonic acid- 



azo-a-naphthylamine and )3-naphthol-disulphonic acid R. 



S. and J. III. 157. 

 New Victoria Black Blue. Constitution not published. 

 Naphthylamine Black 6B. Constitution not published. 

 Victoria Black Blue. Constitution not published, 

 Naphthylamine Black 4B. Constitution not published. 

 New Victoria Black B. Constitution not published. 

 Victoria Black G. Constitution not published. 

 Victoria Black 5G. Constitution not published. 

 New Victoria Black 5G. Constitution not published. 



U2 



