26 



BULLETIN 448, U. S. DEPARTMENT OF AGRICULTURE. 



Amyl alcohol gaso- 

 line mixture (1:1) 

 and dilute sodium 

 hydroxid solution. 



Little or none ex- 

 tracted from 

 N/64 NaOH solu- 

 tions. 







Washed ethyl 



acetate and 2 



N hydrochloric 



acid. 



■d 



2"^ 





a 1 ff 

 •g ,03 g 



o 



Little or none 

 extracted by 

 mixture 3 vol- 

 umes CCU and 1 

 volume washed 

 dichlorhydrin, 

 from N/64 acetic 

 acid. 



J-4 



.a 



Little or none 

 extracted 

 from acid , 

 neutral, or 

 allraline so- 

 lutions. 



Amyl alcohol gasc- 



liae mixture (1:1) 



and hydrochloric 



acid of varying 



concentration. 



N, more than one- 

 half extracted; 

 N/16 and below, 

 little or none ex- 

 tracted. 



N, larper part ex- 

 tracted; N/18, 

 larger part not 

 extracted; N/64, 

 little extracted. 



Amyl alcohol and 

 hydrochloric acid 

 of' varying concen- 

 tration. 



. 



N/16 and above, 

 almost all ex- 

 tracted; N/64, 

 larger part ex- 

 extracted. 



03 03 > 



<1 



Amyl alcohol and 

 approximately 

 normal (5-6 per 



cent) sodium chlo- 

 rid solution. 



§ 



a . 



o ® 



<B IS 



Intermediate i n 

 behavior b e - 

 tween preced- 

 ing and succeed- 

 ing groups. Of 

 most of the dyes, 

 more than one- 

 half Is extracted. 



Color of water solution. 



Cherry red; with HCl, no 



change. 

 Bluish red; with HCl, little 



change. 

 Scarlet, with HCl; slightly 



darker. 

 Magentared; with HCl, little 



change. 

 Same reaction as 65. 

 Brown; with HCl, little 



change. 

 Orangered; with HCl, darker; 



finally violet. 

 Yellow; with HCl, no change. 



Scarlet; with HCl, darker; 



finally violet. 

 Orangered; with HCl, darker. 

 Red; with HCl, darker; finally 



blue- violet. 

 Orange yellow; with HCl, 



little change. 

 Cherry red ; with HCl, darker; 



finally blue- violet. 

 Violet; with HCl, little 



change 

 Red. 

 Violet. 



^ a 



CO M 'J' o 0501 -* t^ ffi cop -g; o f-- foo 



lO -Xi '.O O 0« CO to CO tDf~ 00 -f COf-'-~i 

 vi--X-*'-l"-l>-l«3'-l'-l'-l rH(N «> 



1 1 * 1 



No. 



CO ^ ^o CO r- CO 



CO CO CO CO CO CO 



Ol o 



CO M< 



,-1 C^ICO -^ »0 CD t^OO 



-rr ■* -* '^ -^ -^ •'ji 'i^ 



1^ 



o o 



03 ft 



.a a 



