Table 1 Composition of NRS, ARS and ERS.

From: Reaction Mechanism of Etherification of Rice Straw with Epichlorohydrin in Alkaline Medium

Samples

Content(%(w/w))

C:H:O

C

H

N

Oc

NRS

41.93

5.95

0.97

-d

ARS

40.75

6.05

0.18

53.02

1.02: 1.83: 1

ERS(8 h)

45.01

6.92

0.09

47.98

1.25: 2.31: 1

C6H10O5a

44.44

6.17

49.39

1.20: 2.00: 1

C9H16O6b

49.09

7.27

43.64

1.50: 2.67: 1

  1. a-Unit of cellulose, theoretical data; b- Unit of etherified rice straw, theoretical data; c- Determined by subtracting the sum of C, H and N from 100 percent; d-The composition of NRS was complicated and content of O could not be estimated.