a method is described by which the concentration of deoxyhaemoglobin , oxyhaemoglobin , carboxyhaemoglobin , haemoglobin and sulfhaemoglobin in a human blood sample is determined by passing the haemolysate without air contact through a coarse filter and subsequently measuring the absorbance at lambda = 500 , 569 , 577 , 620 and 760 nm .
C0019046
haemoglobin
C0038731
sulfhaemoglobin