E ID r 



Hemoglobin 1:100. 



hemoglobin 1:100. 



Carboxyhcemoglobin 1 .100. 



M ethcsmoglobin : neutral. 



Hfsmatin in acid alcohol. 



Hcsmochromogen in alkaline 

 solution, 1:100. 



Hcematoporphyrin in 1% 



Hesmatoporphyrin in 5% 



Urobilin. 



Uroerythrin. 



Chlorophyll in living nettle 

 leaf. 



a Chlorophyll in ether. 



b Chlorophyll in ether. 



Carotin in alcohol. 



Xanthophyll in alcohol. 



SPECTRA. 



