Application of phase correction to improve the characterization of photooxidation products of lignin using 7 Tesla Fourier-transform ion cyclotron resonance mass spectrometry

FACETS

Ruoji Luo¹  Wolfgang Schrader¹  Dietrich A. Volmer²  Yulin Qi² 

[1] Max-Planck-Institut für Kohlenforschung, 45470 Mülheim an der Ruhr, Germany;nstitute of Bioanalytical Chemistry, Saarland University, D-66123 Saarbrücken, Germany;

关键词: lignin;    oxidation;    solar light;    FTICR-MS;    phase correction;    absorption mode;   

DOI  :  10.1139/facets-2016-0069

来源: DOAJ

【 摘 要 】

Lignin is the second most abundant natural biopolymer and potentially a valuable alternative energy source for conventional fossil fuels. In this study, Fourier-transform ion cyclotron resonance-mass spectrometry (FTICR-MS) in conjunction with phase correction was applied to study photooxidation products of lignin using a 7 Tesla (T) mass spectrometer. The application of 7 T FTICR-MS has often been inadequate for the analysis of complex natural organic matter because of insufficient resolving power as compared with high-field FTICR, which led to incorrect assignments of elemental formulae and discontinuous plots in graphical and statistical analyses. Here, the application of phase correction to the FTICR mass spectra of lignin oxidation products greatly improved the spectral quality, and thus, readily permitted characterization of photooxidation processes of lignin compounds under simulated solar radiation conditions.

【 授权许可】

Unknown