A CONTRIBUTION TO THE KNOWLEDGE OF ARGININ. 23 



III. Pinus Thunbermi. 





Di 



y matter 

 used. 



Baryta water 

 replaced. 



Nitrogen 

 found. 



Percentage of 

 nitrogen. 







c.c. 

 0.474 



24.2 



r 0.0452 



9-53 





u 



>) 



24.4 



Albuminoid nitrogen. 



(2. 



0.948 



2 5-5 

 26.0 



[ 0.0279 

 ) 



2.94 



Asparagine nitrogen... 



II 



>) 

 »» 



10.1 

 10.6 



i 0.0112 



1. 17 



= J Asp. N. 



Nitrogen in phospho- 

 tungstic precipitate. 



1: 





16.8 

 16.1 



| 00178 



1.88 



i c.c. baryta water = o.ooioS g. N. 



IV. Decomposition products of the proteids prepared 

 from the shoots of Pinus Thunbergii. 



Boiled with 20% hydrochloric acid for 20 hours (with addi- 

 tion of \% SnCL). The extract diluted to 250 c.c. 





Solutions 

 used. 



Baryta 

 water 

 replaced. 



| Nitrogen 

 found. 



Absolute 

 quantity 

 in total 

 solution. 



Ratio. 





c.c. 











Total nitrogen 



r: 



25.2 



| 0.0270 



0.2700 



100.0 







24.8 



Nitrogen directly precipitated 

 by phospho-tungstic acid... 



I ;: 



8.2 

 8-3 



| 0.0089 



0.0891 



33-0 



Nitrogen in ammonia 



1 :; 



1.8 



| 0.0020 



0.0205 



7-5 







2.0 



Nitrogen in organic bases ... 



1 ;; 





1 



( " 



0.0686 



. 2 S-S 



1 c.c. baryta water = 0.00108 g. N. 



