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Keywords:

  • biofuels;
  • biomass;
  • ionic liquids;
  • NMR spectroscopy;
  • sustainable chemistry
Thumbnail image of graphical abstract

A rapid and efficient process for the measurement of lignin content in the plant cell walls is reported. The described method can be used to analyze ball- or Wiley-milled samples at a microscale via direct dissolution and 1H NMR analysis of biomass using perdeuterated pyridinium chloride/[D6]DMSO bisolvent system.