288 



PHYSIOLOGICAL CHEMISTRY 



Arrange apparatus (condenser, connections, etc.) to distill 

 off the ammonia. The most satisfactory receiving flask is a 



FIG. 3. APPARATUS FOR DISTILLING TOTAL NITROGEN BY KJELDAHL METHOD. 



Woulff bottle. Connect the delivery end of the condenser with 

 one neck of the Woulff bottle by means of rubber and glass 



