Table 5. --Some thermal characteristics of DMSO and base xylan treated with 



5 percent ZnCl^ and 9 percent NaOH 



Component 









Maximum rate 

 (R) 



T. 



: i 



Residue 1 











mg./°C. 



°C. 



Percent 















450° C. 



Base xylan 









0.11 



215 



6 



DMSO xylan 









.11 



215 



6 



Base xylan + 



5 



percent 



ZnCl 2 



.06 



175 



2 5 



DMSO xylan + 



5 



percent 



ZnCl 2 



.06 



175 



25 



Base xylan + 



9 



percent 



NaOH 



.07 



200 



27 



DMSO xylan + 



9 



percent 



NaOH 



.06 



200 



3 1 



Organic base. 



I 1 I I I 1 



O IOO 200 300 400 500 



Temperature (°C.) 



Figvcre 9. — Thermo gravimetric analysis of DMSO xylan and DMSO xylan treated with 5 

 percent zinc chloride. 



