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Updated: Sep 29, 2026

Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures
Published on: January 7, 2019
Identification of compound classes in soil and peat fulvic acids as observed by electrospray ionization tandem mass
Cameron McIntyre1, Christopher McRae, Daniel Jardine
1Department of Chemistry, Division of Environmental and Life Sciences, Macquarie University, Sydney, N.S.W., 2109, Australia.
Abstract:
Soil and peat fulvic acids obtained from the International Humic Substances Society were fractionated by their solubility in methanol and analyzed by electrospray ionization tandem mass spectrometry. Precursor and product ion experiments produced mass spectra that indicated the presence of benzene, phenol, dihydroxy benzene, furan and thiophene carboxylic acids. Standards were used to substantiate the fragmentation patterns observed in the product ion spectra of the fulvic acid samples. This study makes significant progress into the direct identification of individual compounds in humic substances using a non-degradation technique.
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