The elements of physiological physics The elements of physiological physics: an outline of the elementary facts, principles, and methods of physics; and their applications in physiology elementsofphysio00mgre Year: 1884 PHYSIOLOGICAL PHYSICS. [Chap. xxvi. been used. Each condition has a spectrum of its own. Tlie ACID H^MATIN (Stokes) gives one absorp- tion band in the red in close proximity to the dark band c of the solar spectrum. The spectrum of ALKALI H^EMATIN consists of one dark band to the red side of the D line. REDUCED H^MATHST gives two faint bands, one broad, and immediately to the


The elements of physiological physics The elements of physiological physics: an outline of the elementary facts, principles, and methods of physics; and their applications in physiology elementsofphysio00mgre Year: 1884 PHYSIOLOGICAL PHYSICS. [Chap. xxvi. been used. Each condition has a spectrum of its own. Tlie ACID H^MATIN (Stokes) gives one absorp- tion band in the red in close proximity to the dark band c of the solar spectrum. The spectrum of ALKALI H^EMATIN consists of one dark band to the red side of the D line. REDUCED H^MATHST gives two faint bands, one broad, and immediately to the violet side of D, the other narrower, and a little to the red side of the E line, the violet end of the spectrum being less ab- sorbed than with unreduced hsematin. Fig. 151.—Blood Spectra. Fig. 151 shows several of these characters, i being the spectrum of oxyhsemoglobin, n of reduced hsema- globin, v of reduced hsematin, vi and vn of hsematin in alkaline and acid solutions, in and iv of methse- moglobin in alkaline and acid solutions respectively. Methsemoglobin is obtained by exposure of a solu- tion of hsemaglobin for a long time to the air, or by the use of oxydising agents. The letters mark the


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