JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 29 Issue 3
May 2014
Article Contents
DU Peng, CHE Jing, WANG Hai-bin and et al. Analysis of surface functional groups on tobacco stem[J]. Journal of Light Industry, 2014, 29(3): 36-39. doi: 10.3969/j.issn.2095-476X.2014.03.008
Citation: DU Peng, CHE Jing, WANG Hai-bin and et al. Analysis of surface functional groups on tobacco stem[J]. Journal of Light Industry, 2014, 29(3): 36-39. doi: 10.3969/j.issn.2095-476X.2014.03.008 shu

Analysis of surface functional groups on tobacco stem

  • Received Date: 2013-12-13
    Available Online: 2014-05-15
  • The effect of microwave expansion on the surface functional groups of tobacco stem by conventional stem cutting method was studied.The stem was characterized by X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FT-IR).The FT-IR result showed that:after microwave treatment,the percentage of surface hydroxyl,carboxyl and -CN increased significantly.There was no significantly different between traditional cut stem and novel cut stem during FT-IR tests.The XPS result showed that phenolic hydroxyl,ether,carboxy were three forms of carbon in microwave expansion stem.The forms of oxygen in all samples were similar,and expanded stem had higher content of hydroxyl than original stem.In addition,there were many nitrogen groups in the surface of the expanded stem molecule.
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