from the magnitude of the effect produced by cyanide and by variation in ph on the oxidation-reduction potential of the methemoglobin-hemoglobin system , it is concluded that cyanmethemoglobin and alkaline methemoglobin are undissociated ferric compounds , the first with cyanide and the second with hydroxyl .
C0019046
hemoglobin
C0025635
methemoglobin