1903.] D. Hooper — Silajit : an ancient Eastern Medicine. 101 



sun until it thickens, the surface is removed, and this sttt-silajit is allowed 

 to dry. 



That there is no uniform combination between the organic and 

 mineral constituents is shown in the analysis of two specimens of black 

 silajit supplied by two Kabirajis of Calcutta. 



No. 1. No. 2. 



Water 795 934 



Organic matter 35"05 55*36 



Mineral matter 57*00 35*30 



100-00 100*00 



Ash soluble in water 10*90 24*4 



soluble in acid 15*55 9*4 



insoluble 30-55 1*5 



A more complete examination was made last year of four addition- 

 al samples: No. 1, round cakes from Calcutta; No. 2, long flattened cakes 

 from Calcutta; No. 3, from Jaunsar, through the Director Imperial 

 Forest School, Dehra Dun; No. 4 from Bashahr Forest, Punjab, through 

 the Curator, Imperial Forest Museum. 

 1 2 



Water 9'85 15*90 



* Organic matter 56*20 49*86 



fAsh 34-95 34*24 





100*00 



* Including nitrogen 



103 



f Containing 





Iron and alumina 



2-24 



Lime 



4-36 



Magnesia 



1*50 



Potash 



907 



Soda 



411 



Phosphoric acid 



16 



Sulphuric acid 



•58 



Chlorine 



•07 



Carbonic acid, &c. 



11*51 



Silica 



1-35 



3 



4 



11-15 



10-99 



51-55 



56-86 



37-30 



3215 



100*00 10000 10000 

 •82 325 1-26 



1-08 



3-96 



•52 



6-69 



763 



•25 



•24 



12 



1213 



1-62 



The chief ingredients of the ash are the bases lime, magnesia, potash 

 and soda, combined as carbonates. The absence of a large iron and 

 alumina precipitate indicates the non-identity of this substance with 

 the mineral silajit of Nepal and Behar. 

 J. ii. 15 



6-00 



4-64 



3'86 



3-88 



•15 



1-34 



3*71 



610 



1*07 



•81 



•27 



•20 



•34 



14 



11 



•06 



3-69 



4-83 



18-10 



10*15 



