Measurement of Henry’s Law Constants and Infinite Dilution Activity Coefficients of Propyl Mercaptan, Butyl Mercaptan, and Dimethyl Sulfide in Methyldiethanolamine (1) + Water (2) with w1 = 0.50 Using a Gas Stripping Technique Coquelet, C.; Richon, D.; Journal of Chemical & Engineering Data 2005, 50, 2053-2057