158 Cellulose 



cellulose, when isolated, contains O.CH 3 groups. The whole 

 cellulose complex gives the following results on analysis : 



Ultimate analysis. ] 



Proximate . . O.CH 3 1-2 Furfural . 6-8 p. ct. 



The cellulose is a hydrate, and a mixture of two celluloses : 

 the ^-cellulose contains the methoxyl groups, and gives 

 furfural with condensing acids. 



Lignone. Chlorination. Cl combining with lignone, 8*0 

 p.ct. ; Cl combining as HC1, 8'o p.ct, calculated on the ligno- 

 cellulose. Composition of lignone chloride, C 19 H 18 C1 4 O9 

 (containing 267 p.ct. Cl), from which we may assume 

 Ci9H 22 O 9 as the approximate formula for the lignone 

 complex. 



From these statistics, and on the assumption that there are 

 no hydration changes of any moment, we may calculate the 

 lignone complex to constitute a little over 20 p.ct. of the 

 lignocellulose. 



Continuing this statistical and approximate method of 

 investigation and calculating to carbon percentages 



Cellulose (anhydride), 44*4; lignone, 57 '8. 

 80 x 44-4 -7- 100 = 38-52 

 20 x 57-8 -r- 100 = 11-56 



47 *o8 p.ct. C in lignocellulose. 



These results confirm the evidence of the 'quantitative' 

 character of the chlorine reaction. 



From a study of the ester reactions of the lignone chloride 

 and of the original lignone group, it is to be concluded that 

 the former contains not more than one alcoholic OH group, 

 even when isolated by treatment of the chlorinated fibre with 



