Targeted and non-targeted boron complex formation followed by electrospray Fourier transform ion cyclotron mass spectrometry: A novel approach for identifying boron esters with natural organic matter

Andras Gaspar, Marianna Lucio, Mourad Harir, Philippe Schmitt-Kopplin

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The formation of boron esters was investigated in peat-soluble humified materials with a detailed molecular-level description of boron-organic interactions. Thousands of individually baseline separated signals were obtained from the analysis of natural organic matter of peat samples, using Fourier transform ion cyclotron resonance mass spectrometry. This technique offers unsurpassed isotope-specific mass resolution that can lead to precise molecular formula assignments by means of mathematical data analysis and visualisation techniques, such as mass defect (Kendrick) or elemental ratio (van Krevelen) plots. The analysis of potential boron binding structures within the sample of natural organic matter was described based on prior results. Herein, we describe an algorithm that can be used to effectively distinguish and filter complexes through data obtained from boron-enriched systems with highly intricate mass spectra, such as natural organic matter.

Original languageEnglish
Pages (from-to)113-123
Number of pages11
JournalEuropean Journal of Mass Spectrometry
Volume17
Issue number2
DOIs
StatePublished - 2011
Externally publishedYes

Keywords

  • Borate complexes
  • Boric acid complexes
  • Boron
  • FT-ICR/MS
  • Mass spectrometry

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