Logwood; dilute decoction 

 ' (lueinatoxjUzi). ' 



As 7 ; after addition of am- 

 monia. 



BranUwood ; decoction 

 after addition of am- 

 monia (braaillin). 



Sandalwood ; very dilute 

 decoction (santalin). 



Alkannin ; dilute alcoholic 

 solution. 



i2 



13 



II 



Curcumin; dilute alcoholic 

 aolution (fustic same). 



A 



^2/1 



Chlorophyll ; fr^ah alco- 

 holic solution. 



1U 



M 



kL. 



\Cl 



m 



The aame ; after keeping. 



