WATER Of CRYSTALLIZATION. 37 



MALTOSE (GaHaOu+HO) ; LACTOSE (CuHaOu+HaO). (Fig. 21.) 



These two compounds were melted between plates of rock salt, dried 

 over P 2 O 5 and the edges sealed with Kohtinsky cement. The thickness 



60% 



2345 

 FIG. 2i. Maltose (a) ; Lactose. 



8// 



5678 

 FIG. 22. Raffiuose. 



10 



13 a. 



