322 The Carholinilnacx of (he MaiKjold Leaf 



2 litres. Solid sodium carbonate added and solution made up to 

 2000 cc. = ^. 



(4) Extract evaporated in vacuo and made up to 500 cc. IIO cc. 

 (or 460 cc.) of the 500 treated with basic lead, filtered and washed to 

 2 litres = A. 30 cc. of A were precipitated with solid sodium carbonate 

 to remove the lead and made up to 500 cc. = B. 25 cc. of B used for 

 direct reduction. 



Mangold Stalls. September lOth-llth, 1912. 



Extract evaporated in vacuo and nuide up to 200 cc. 170 cc. (or 

 180 cc.) of the 200 treated with basic lead acetate, filtered and washed 



