24 



BULLETIN 448, U. S. DEPARTMENT OF AGEICULTURE. 



Washed ethyl 



acetate and 2N 



hydrochloric 



acid. 



Very little or 

 none extracted 

 by ethyl ace- 

 tate. 















Dlchlorhyd r i n - c a r - 

 bon totrachlorid 

 mixtures (equal vol- 

 umes; also 1 volume 

 dichlor.+3 volumes 

 CCl.,). 



Little or none ex- 

 tracted by mixture 

 1:1 or by mixture 1:3, 

 from N/1 HCl or 

 N/64 acetio acid. 



1 



Little or none 

 extracted by 

 ether from neu- 

 tral acid or al- 

 kaline solu- 

 tions. 



Amyl alcohol gasoline mix- 

 tiu-e (1:1) and hydro- 

 chloric acid of varying 

 normality. 





+3 



111 



;z; 3 «> 







^_; 



ai 



'3.S 



•^^ 



•0 

 i 



> . 



tSoo 



.a 00 



oi'-i 



pq 



4 N, almost all extracted; N, 

 larger part not extracted; 

 N/16 and below, little or 

 none extracted. 



fiS 

 .2.2 >< 



th 



i° . 



•o2.§ 

 ■3.2 a 



Boo 



< 



1 



§ 

 o 



=2 



s . 



<; 



is 



£ 



ft-S 



©§< 



isl 



i° 



•-$"3 



lis 



N and above, almost all ex- 

 tracted; N/4, about one- 

 half extracted; N/16 and 

 below, little extracted. 



4 N and N, chief part ex- 

 tracted; N/4, more than 

 one-half; N/16, less than 

 one-half. 



N and above, almost all ex- 

 tracted; N/t, larger part 

 extracted; N/04, less than 

 one-half extracted. 



Amyl alcohol 

 and approxi- 

 mately normal 

 (5-6 per ceTit) 

 sodium chlond 

 solution. 



a 



<D.J3 



1 



"o 



1 



o 



o 

 o 

 O 



Yellow; with HCl, no 

 change. 



Green; with HCl, gradu- 

 ally yellow. 



Red; with HCl, little 



change. 

 Red; with HCl, little 



change. 

 Violet; with HCl, bluer. 

 Orange; with HCl, no 



change. 



Magenta red; with HCl, 

 slightly yellower. 



Blue; with HCl, little 

 change. 



Magenta red; with HCl, 



no change. 

 Bluish red; with HCl 



yellower. 



Blue; with HCl, slightly 

 paler. 



O.S C8 



^ a 



•* 00 >o -# =C-* — ■ 00 O CO o 

 OiCl OOOO— ( a ^H(NO500 



TO o o .-1 * CO -a> 

 * t 1 



1 



5:5 



00 







c^6j 



^ 





^ g 



g5 



