36 DAIRY ANALYSIS 



After cooling, the acid liquid is diluted with about 

 100 c.c. of water; and poured into a flask of at least 

 1000 c.c. capacity (preferably of copper (Fig. 23)), and 



FIG. 23. Kjeldahl Apparatus. 



the hard glass flask rinsed out with further quantities of 

 water ; the large flask is furnished with a cork carrying 

 a tube which is connected to a condenser, and a tube 

 allowing additions to be made to the .liquid. 25 c.c., 



vr 



(50 c.c. if 10 c.c, of milk was taken), of acid, or an 

 amount calculated to be slightly more than sufficient from 



