^a/rt. ^ou^^Jfcc^^^cl T/k. 4-3 J.S.^,. Jf. 



BAND SHEWING THE COLOUROF S P N G 1 P R P H Y R 1 N . 



aBCD EbF G h 



SpoB^iopoTphyrin 

 m Alcohol and 



HNO,. 



The same, 

 shallower depth, 

 or weaker solution. 



SpoTi^iopoxphyrin 

 m aqueous 

 solution wthHaHO. 



The same, 

 sliallov^er depth, 

 or weaker solution. 



Spon^ioporphynn 

 in aq^ueons 

 soIationwithHCl. 



The same, 

 shallower depUi, 

 orv/eaTier solution. 



"Neutral aqueous 

 solution. 



The solid 

 pigment m 

 balsam. 



Action of excess 

 of HNO3 on an 

 a(}iieous solution. 



Antedonm, 

 in halsara. 



75 ; 70; ;65 60 



a B C D 



CA-M^Munnadnatael 



T.Huth.Lith^EamT 



