50 
5 
keb} 
ui 
= 
© 
Es <0 
2 
keb) 
a 
By ‘a 
3 
aS 
o 
‘i 20 40 60 80 io no 
—> Time in minutes 
1. m-nitraniline 
9. m-iodaniline 
m-bromaniline 
3 m-chloraniline 
“_) m-toluidine 
m-amidobenzoic acid 
metanilic acid 
5. m-xylidine 
Fig. 6. 
5 
keb) 
wm 
i= 
© 
N 
& 
ze) 
o 
a 
el 
G5) 
So 
o 
—» Time in minutes. 
1. p-amidobenzoic acid 
2. sulfanilie acid 
34 P ivdaniline 
j } p-chloraniline 
4, -bromaniline 
5. p-toluidine 
