Journal
JOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume 66, Issue 1, Pages 722-733Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jced.0c00846
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The experiment measured the surface tension of N-methyldiethanolamine in different solvent mixtures, and correlated the data with temperature and concentration using various models. The research investigated the effects of temperature and concentration on surface tension.
The surface tension of N-methyldiethanolamine in methanol, or in methanol aqueous solutions as a solvent, was measured at temperatures from 293.15 to 323.15 K. In ternary mixtures, five methanol + water blends with concentrations between 10 and 90% methanol were used as solvents, and the amine concentration varied from 0 to 50% mass, while in the methanol + N-methyldiethanolamine (MDEA) system, the amine concentration varied between 0 and 100% mass, at intervals of 10%. Experimental data were correlated with temperature and concentration by means of the Jasper equation, and the Jouyban-Acree and FLW models, respectively.
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