VIII] 



FOODS AND FEEDING STUFFS 



103 



Wein Method. — Tentative. 



43 REAGENTS. 



The reagents and solutions used are described under 24. 



44 DETERMINATION. 



Place 50 cc, of the reagent in a beaker and heat to the boiling point. When 

 boiling briskly, add 25 cc. of the maltose solution containing not more than 0.250 

 gram of maltose and boil for 4 minutes. Filter immediately through asbestos and 

 determine, by one of the methods given under 26, 29-34 respectively, the amount of 

 copper reduced. 

 Obtain, from 45, the weight of maltose equivalent to the weight of copper found. 



45 



Table 5. 



For the determination of maltose. 



[According to Wein.»] 



[Expressed in milligrams.) 



