Characterization of lignin by gas chromatography and mass spectrometry using a simplified CuO oxidation method.

abstract

• An efficient and high-throughput method to characterize lignin in environmental samples using alkaline CuO oxidation and capillary gas chromatography with mass detection is presented. Monomeric lignin phenols released during oxidation were selectively extracted using a polymer-based solid phase sorbent rather than liquid phase extraction. Sample size and matrix were found to influence lignin phenol yields. Increasing the sample size to an organic carbon content 1.5 mg of C minimizes phenol oxidation losses, and the addition of glucose as a sacrificial carbon source helped minimize oxidation losses in samples with <5 mg of organic carbon.

authors

• Kaiser, Karl

published proceedings

• Anal Chem

author list (cited authors)

• Kaiser, K., & Benner, R.

citation count

• 61

complete list of authors

• Kaiser, Karl||Benner, Ronald

publication date

• January 2012

publisher

• American Chemical Society (ACS)  Publisher

published in

• Analytical Chemistry  Journal

keywords

• Copper
• Gas Chromatography-Mass Spectrometry
• Lignin
• Oxidation-Reduction

PubMed Central ID

• 22088192

Digital Object Identifier (DOI)

• 10.1021/ac202004r

start page

• 459

end page

• 464

volume

• 84

issue

• 1

URL

• http://dx.doi.org/10.1021/ac202004r