124 



P. George, J. Beetlestone and J. S. Griffith 



650 



500 



600 550 



X(m;j) 



Fig. 15. The observed visible spectrum of ferrihaemoglobin hydroxide, and that 

 calculated from the spectra of the high- and low-spin forms illustrated in Fig. 14. 



'mM 



12 

 10 

 8 

 6 

 4 

 2 



650 



600 



550 



500 



?v(mp) 



Fig. 16. Visible spectra of the high-spin hydroxide calculated from the data for 



ferrimyoglobin, ferrihaemoglobin and ferrileghaemoglobin hydroxide (Sternberg 



and Virtanen, 1952), assuming that the latter is 100% low-spin. 



No A or gmM corrections: Hi = 2-24, //^ = 5-92. 



