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Bioresources and Bioprocessing

Table 6 Organic compounds and associated functional groups (Zhu et al. 2015; Liu and Han 2015; Zhao et al. 2012; Yang et al. 2007)

From: Effect of feedstock and microwave pyrolysis temperature on physio-chemical and nano-scale mechanical properties of biochar

Compound

Functional group

Wave number, cm−1

Cellulose

O–H

C=C

3600–3200

1600–1740

Hemicellulose

C=O

1735

Lignin

C–O–C

1160

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