1T4 UNIVERSITY OF COLORADO STUDIES 



Acid Determinations, 

 (a). Scarlet Salt. 



.1426 grins, substance after boiling with water required (kS c. c. of a 

 .1136 N. Ba(OH), solution. 



Computed: Found: 



C„H,2N,S„ 2HC1, 

 2HC1==18.58%. 18.32''/.,. 



(b). Yellow Salt. 



.1449 grms. substance after boiling with water re(juired 5.4 c. c. of a 

 .1136 N. Ba(0H)3 solution. 



Computed : Found : 



C^Hj^N^S,, 2HC1, 2H,0, 



2HC1=15.69%. 15.45%. 



Water Determination. 



.1728 grms. substance heated to constant weight at 100° lost .0138 

 grms. 



Computed: Found: 



C^H^^N^S,, 2HC1, 2H,0, 



2H,0=8.39%. 8.01%. 



Hydrobkomic Acid Salt. 



Dry IIBr gas precipitates the dark red HBr salt from a hot 

 xylene solution of the base. 



Acid Determination. 



.1644 grms. substance after boiling with water required 6.05 c. c. of a 

 .1136 N. Ba(0H)2 solution. 



Computed: Found: 



C,3H,,N,S„ 2HBr, 

 2HBr=-33.61%. 33.86%. 



