Measurement of Henry’s Law constant and infinite dilution activity coefficient of isopropyl mercaptan and isobutyl mercaptan in (methyldiethanolamine (1) + water (2)) with w 1 = 0.25 and 0.50 at temperature of (298 to 348) K using inert gas stripping method Zin, R.M.; Coquelet, C.; Valtz, A.; Abdul Mutalib, M.I.; Sabil, K.M.; The Journal of Chemical Thermodynamics 2016, 93, 193-199