CHEMICAX SELECTIflN- OF MOTHERS. 87 



offer — the importance of which is self-evident. The 

 errors made by the hot-water method, when using a 

 pulp which has not been properly prepared, are not as 

 great as by the cold-water process, for the simple rea- 



FIG. 32. Diagram of the theory of Pellet and Lamot rasp. 



son that the diffusion is within a given time, say a half- 

 hour's boiling, and is more complete. 



We shall examine, first of all, the method by which 

 the Pellet and Lamot rasp is used, in which case the 

 sample is taken from the entire length of the beet and 

 in quantities which are proportional to the total weight 

 of the beet. 



