DOI：10.31220/agriRxiv.2020.00026

Structural FTIR analysis of cellulose functional groups isolated from Leucaena leucocephala pods using different bleaching agents.

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  Abstract: Abstract In this study, extracted cellulose fibres were successfully isolated from Leucaena leucocephala pods through an efficient alkaline treatment and bleaching method using different bleaching agents such as 5 wt.% of sodium chlorite (NaClO 2 ), 5 wt.% of oxalic acid (C 2 H 2 O 4 ), 5 wt.% of potassium permanganate (KMnO 4 ) and 5 wt.% of sodium hypochlorite (NaClO), respectively. The functional group of the cellulose fibres were analysed by using attenuated total reflection infrared (ATR-IR) spectroscopy. The ATR-IR spectra reported that the Leucaena leucocephala fibres after being given chemical treatment with 5%w/w of NaClO lead the similar functional group with the commercial cellulose due to removal hemicellulose and lignin. The content cellulose of final product was 89.4% was measured by the chemical composition test. Meanwhile, the whiteness index of Leucaena leucocephala fibres treated with 5 wt.% NaClO was 78.5%, which was the highest. The results of ATR-IR, chemical composition test and whiteness index were indicated that the sample of Leucaena leucocephala pods presents the structure of cellulose.

  Key words: wt; leucaena leucocephala; cellulose; atr; naclo; pod

  提交时间：2020-01-01

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• 序号	提交日期	编号	操作
  1	2020-01-01	10.31220/agriRxiv.2020.00026V1	下载

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