Supplementary data for the manuscript "Aqueous phase behavior of glyoxal and methylglyoxal observed with carbon and oxygen K-edge X-ray absorption spectroscopy".

XAS carbon and oxygen K-edge measurements of aqueous solutions of glyoxal and methylglyoxal and their mixtures with sodium chloride and ammonium sulfate. XAS oxygen K-edge measurements of aqueous glycerol and mixtures with the above-mentioned inorganic salts.