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    New Insights into the Brown Carbon Chromophores and Formation Pathways for Aqueous Reactions of α‑Dicarbonyls with Amines and Ammonium by Lu Yang (30847)

    Published 2023
    “…However, the identities of most chromophores in these reactions and the effects of pH remain largely unknown. In this study, the chemical structures, formation pathways, and optical properties of individual BrC chromophores formed through aqueous reactions of α<b>-</b>dicarbonyls (glyoxal and methylglyoxal) with ammonium, amino acids, or methylamine at different pH’s were characterized in detail by liquid chromatography-photodiode array-high resolution tandem mass spectrometry. …”
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