IS 



U. SUZUKI. 



(b). Boiled with 20% hydrochloric acid for 96 hours. 



4.2 g. air dry =3.32 g. dry crude proteids ( = 0.263 S- N) were 

 boiled with hydrochloric acid of 20%. The extract was diluted 

 to 400 c.c. from which the following determinations were made : — 



Solutions 

 used. 



Baryta 

 water 

 replaced. 



Nitrogen 



Absolute 

 quantity 



lit LOLtil 



solution. 



Ratio. 



c.c. 











( 40 



13-8 



I c 









14.2 



j- O.0260 



0.2604 



100.0 





0.8 



1 , 







( »' 



0.9 



j- O.OOIO 



0.0160 



6.1 



( )» 



4-6 









( V 



4-9 



f O.CoSS 



0.0883 



34-o 



\ " 



3-7 









( " 



4-i 



[ 0.0073 



0.0730 



27.9 





i-7 



) 









1.9 



\ 0.0033 



0.0334 



12.8 







) 



0.0391 



15.1 



Total nitrogen 



Nitrogen in copper hydrate 

 precipitate 



Nitrogen directly precipitated 

 by phospho-tungstic acid... 



Nifrogen in phospho-tungstic 

 precipitate in the filtrate of 

 copper hydrate 



Nitrogen in ammonia 



Nitrogen in organic bases ... 



I c.c. baryta water=0.ooiS6 g. N. 



(c). Boiled with 0.$% hydrochloric acid for 146 hours. 

 10.27 S- ^ r y cru d e proteids (=0.822 g N) were boiled with 

 0.5% hydrochloric acid. The extract was diluted to 400 c.c 



Total nitrogen 



Niu - ogen in copper hydrate 

 precipitate 



Nitrogen directly precipitated 

 by phospho-tungstic acid... 



Nitrogen in phospho-tungstic 

 precipitate in the filtrate of 

 copper hydrate 



Nitrogen in ammonia 



NiUogen in organic bases ... 



Solutions 

 used. 



c.c. 

 10 



Baryta 

 water 

 replaced. 



10.6 

 10.6 

 0.5 

 0.7 

 3-6 

 3-7 

 3° 

 3-i 

 i-4 

 1.3 



Nitrogen 

 found. 



0.0197 

 0.001 1 



0.0067 

 0.0057 

 0.0026 



Absolute 

 quantity 

 in total 

 solution. 



0.7SS8 

 0.044S 

 0.269S 

 0.2272 

 0.1033 

 0.1239 



Ratio. 



100.0 

 5.6 

 34-2 

 28.8 

 •3-i 

 15-7 



i c.c. baryta water=o.ooi86 g. N. 



