288 



Fig. 63. Spectra of (i) Oxy haemoglobin ; (2) Haemoglobin , 



(3) Alkaline Methaemoglobin ; (4) Methaemoglobin in 



Neutral or Acid Solution ; (5) Alkaline Haematin ; 



(6) Reduced Haematin Haemachromogen ; 



(7) Urobilin ; (8) Zinc-Urobilin 



