CHAPTER IV. 

 EXAMINATION OF BLOOD. 



(a) DEFIBRINATED BLOOD. 

 I. Alkaline Reaction of Blood. 

 II. Reaction with Guaiacum and Oil of Turpentine. 



III. Conduct towards Hydrogen Peroxide. 



IV. Solution of the Blood-corpuscles. 

 V. Crystallized Oxy haemoglobin. 



VI. Spectroscopic Examination of Oxyhaemoglobin, Haemoglobin, 



MethaBmoglobin, and Sulphohsemoglobin. 

 VII. Carbon Monoxide Haemoglobin. 

 VIII. Alkaline Hsematin Solution. Reduced Hsematin. 

 IX. Hsematin Hydrochloride. 

 X. Hsemin Test. 

 XI. Ha3matoporphyrin. 

 XII. Conduct of Blood on Heating. 



(6) BLOOD-FIBRIN. 



I. Conduct towards the 0.27 per cent. Hydrochloric Acid. 

 II. Conduct towards Hydrogen Peroxide. 

 III. Conduct towards Neutral Salts. 



(c) BLOOD-SERUM. 



I. Precipitation of the Albumin by Salts. 

 II. Separation of the Proteids. 

 III. Reactions of the Proteids of the Blood-serum. 



(a) DEFIBRINATED BLOOD. 



I. Reaction of Blood. 



The alkaline reaction of blood cannot be shown with ordi- 

 nary litmus paper alone, since this becomes saturated with 



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