Exact masses and chemical formulas of individual suwannee river fulvic acids from ultrahigh resolution electrospray ionization fourier transform ion cyclotron resonance mass spectra - Stenson, Alexandra C.; Cooper, William T.; Marshall, Alan G.
Keywords: Chemical formula; Chemical ionization; Fourier transform spectroscopy; Fulvic acid; Homologous series; Ion cyclotron resonance; Lignin; Mass spectrometry