Viscosity, Refractive Index, Surface Tension, and Thermal Decomposition of Aqueous N-Methyldiethanolamine Solutions from (298.15 to 338.15) K Muhammad, A.; Mutalib, M.I.A.; Wilfred, C.D.; Murugesan, T.; Shafeeq, A.; Journal of Chemical & Engineering Data 2008, 53, 2226-2229