Table 6 . --Pyrolysis products from xylan (percent of organic original) 



Peak 

 no . 



Compound 



Neat 



5% ZnCl2 



9% N2OH 



DMSO Base 



DMSO Base 



DMSO Base 



----------- Counts per mg. ------------ 



1,2 Fixed gases 18,100 20,400 5,500 5,000 19,400 14,800 



------------- Percent -------------- 



3 



Acetaldehyde 



1.0 



2.4 



1.9 



.1 



1.6 



1.6 



4 



Furan 



2.2 



T 2 



3.5 



2.0 



.4 



.3 



5 



Acetone 



1 .4 



0.3 



T 



T 



5.8 



3.3 



6 



Propionaldehyde 







T 



T 





.7 



7 



Methanol 



1.0 



1.3 



1.0 



1.0 



1.8 



2.1 



11 



2,3-Butanedione 



T 



T 



T 



T 



T 



T 



12 



Ethanol 



T 



T 







.6 



.6 



13 



Crotonaldehyde 



T 



T 







1.4 



1.2 



14 



1 -Hydroxy- 2- 

















propanone 



.5 



.4 



T 



T 



.8 



2.0 



15 



Acetoin 



.6 



.6 



T 



T 



.6 





16 



Acetic acid 



10.3 



1.5 



9.3 



T 



3.4 



3.1 



17 



2-Furaldehyde 



2.2 



4.5 



5.0 



10.4 



.6 



1.6 





Char 



10 



10 



23 



26 



23 



21 





C0 2 



8 



8 



6 



7 



22 



14 





H 2 



14 



7 



15 



21 



19 



26 



Counts per mg. at attenuation 10-32. 

 Less than 0.1 percent. 



21 



