Happy to announce the publication of:
Solihat NN, T Acter, D Kim, AF Plante and S Kim. (2019) Analyzing solid-phase natural organic matter using laser desorption ionization ultrahigh resolution mass spectrometry. Analytical Chemistry. 91:951-957. doi:10.1021/acs.analchem.8b04032. Collaborators at Kyungpook National University in Daegu, South Korea have been working on laser desorption methods for solid phase high resolution mass spectrometry analysis of natural organic matter. The study represents our first tests of the method using powdered IHSS humic and fulvic acids as well as soil. We demonstrate a proof-of-principle that highly sensitive, direct, molecular level analysis of solid-phase NOM from unprocessed soil samples and minimum sample preparation is possible.
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