Table S . --TGA-DTG thermal behavior of cellulose and (NHi^)2S0i^ treated cellulose in nitrogen 



Treatment 



Residue 

 at 450° C. 



Normali zed 

 eel lulose 

 residue 

 at 450° C. 



Low temperature peak 



High temperature peak 



Rate of : Normalized : Peak : Rate of : Normalized : Peak 

 weight : rate of : temperature : weight : rate of : temperature 

 loss weight loss loss weight loss 



Percent 



Percent 



Mg./min. Mg./min. 



°C. 



Mg./min. Mg./min. 



°C. 



Untreated 

 eel lulose 



Treated 

 eel lulose ' 



7.6 



7.6 



5.13 



5.13 



367 







0500 



7 



6 



7 



6 







_. 









. 4 



49 



4 



49 



354 





100 



12 



4 



12 



4 







_- 







2 



84 



2 



84 



351 





200 



14 



2 



14 



2 







-. 







2 



64 



2 



65 



349 





300 



15 







15 











49 







49 



254 



2 



61 



2 



62 



349 





400 



16 



8 



16 



9 





53 





53 



253 



2 



45 



2 



46 



348 





500 



18 



8 



18 



9 





71 





71 



252 



2 



22 



2 



23 



348 





700 



21 



8 



22 







1 



01 



1 



02 



251 



1 



77 



1 



78 



346 



1 



00 



22 



1 



22 



3 



1 



11 



1 



12 



249 



1 



70 



1 



72 



345 



1 



50 



24 



6 



25 







1 



39 



1 



41 



248 



1 



44 



1 



46 



340 



2 



00 



28 



5 



29 



1 



2 



12 



2 



16 



247 













3 



00 



32 



8 



33 



7 



2 



53 



2 



61 



248 













4 



00 



35 



4 



36 



9 



2 



95 



3 



07 



247 













5 



00 



35 



8 



37 



6 



3 



20 



3 



37 



246 













6 



00 



36 



8 



39 







3 



38 



3 



60 



246 













8 



00 



38 



6 



41 



7 



3 



97 



4 



32 



247 













10 







40 







44 



2 



5 



19 



5 



77 



245 













12 







40 



4 



45 



7 



4 



90 



5 



57 



248 













15 







40 



8 



47 



6 



4 



17 



4 



91 



248 













20 







39 



2 



48 



5 



3 



83 



4 



79 



248 













25 







36 



4 • 



47 



9 



3 



55 



4 



73 



248 













Ipereent by weight ehemical. 



Table 6.--TGA and DTG thermal behavior of cellulose and (NHi^)2HP0i^ 



cellulose in air 



treated 







: Cellulose 



: Peak rate 



Normalized peak : 





Treatment 



Residue 



: residue 



; of weight 



rate of weight : 



Peak 





at 450° C. 



: at 450° C. 



: loss 



loss : 



temperature 



Percent 



Percent 



Mg . /min . 



Mg . /min. 



°C. 



Untreated 

 eellulose 



Treated 



cellulose-' 



7.7 



7.7 



8.41 



8.41 



349 







0500 



10 



2 



10 



2 



7 



43 



7 



43 



341 





100 



12 







11 



9 



7 



06 



7 



07 



339 





200 



15 



5 



15 



4 



6 



34 



6 



35 



331 





300 



17 



4 



17 



3 



6 



15 



6 



17 



325 





400 



18 



8 



18 



6 



5 



82 



5 



84 



322 





500 



19 







18 



8 



6 



07 



6 



10 



318 





700 



21 



4 



21 



1 



5 



60 



5 



64 



313 



1 



00 



22 



9 



22 



5 



5 



35 



5 



40 



316 



1 



50 



24 



8 



24 



2 



4 



90 



4 



97 



308 



2 



00 



26 



8 



26 



1 



4 



63 



4 



72 



302 



3 



00 



29 



2 



28 



1 



4 



04 



4 



16 



296 



4 



00 



30 



1 



28 



7 



3 



91 



4 



07 



291 



5 



00 



33 



3 



31 



7 



4 



50 



4 



73 



279 



10 







37 



2 



34 



3 



2 



69 



2 



99 



265 



12 







38 



3 



34 



9 



2 



65 



3 



01 



257 



15 







40 



7 



36 



8 



3 



61 



4 



25 



254 



20 







43 



2 



38 



3 



3 



56 



4 



45 



250 



25 







46 



3 



40 



7 



4 



08 



5 



44 



244 



Percent by weight chemical. 



26 



