Viscosities and excess viscosities of aqueous solutions of some diethanolamines
作者： Faisal Islam Chowdhury , Shamim Akhtar , Muhammad A. Saleh
DOI: 10.1016/J.MOLLIQ.2010.03.015
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摘要: Abstract Viscosities, η, of aqueous diethanolamine (DEA), methyldiethanolamine (MDEA), ethyldiethanolamine (EDEA) and n-butyldiethanolamine (BDEA) solutions were determined at an interval 5 K between 303.15 323.15 K different compositions in the range 0 ≤ x2 ≤ 1, where x2 is mole fraction alkanolamines. Excess viscosities, ηE, have been found to be positive for all systems whole composition temperatures. The heights maxima ηE vary as W + DEA > > W + MDEA > W + EDEA > W + BDEA. effect temperature on both η significantly large — more less viscosity well excess viscosity. For systems, data fitted with six degree polynomial Redlich–Kister equations, respectively.
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