152 



ESSENTIALS OF CHEMICAL PHYSIOLOGY 



Fio. 67. — 1, Solar spectrum. 2, Spectrum of oxyhsemoglobin (0*37 p.c. solution). First band, A 689- 

 564 ; second band, X 588-617. 3, Spectrum ot haemoglobin. Band, A 897-838. 4, Spectrum of CO- 

 hsemoglobin. First band, A 683-664 ; second band, A 847-821. 8, Spectrum of metliaemoglobin 

 (concentrated solution). 6, Spectrum of metliaBmoglobin (dilute solution). First band, A 647- 

 622: second band, A 887-671; third band, A 582-632; fourth band, A 814-490. 7, Spectrum of 

 acid hwmatin (ethereal solution). First band, A 666-618 : second band, A 897-677 ; tliird band, A 

 867-829 ; fourth band, A 817-488. 8, Spotitrum of alkaline hsematin. Band from A 630-681. 

 t, Spectrum of hflsmochromogen (re(luced hajiuiitin). First band, A 869-642 ; second band, A 

 688-604. 10, Spectnim of acid lisematoporpliyrin. First band, A 607-693 : .'■■(H'ond band, A 688- 

 686. 11, Spectrum of alkaline hrematoporphvrin. First band, A 63.S-612 ; second band, A 589-664 ; 

 third band, A 849-629 ; fourth hand, A 618-488. The above measurements (after MacMunn) are 

 in millionths of a millimetre. The liquid was examined in a layer 1 oentimetre tliiok. The edges 

 of ill-defln«l bands vary a good deal with the concentration of the solutions. 



