Densities of Water + Diethanolamine + Methanol and Water + N-Methyldiethanolamine + Methanol at Temperatures Ranging from (283.15 to 353.15) K

Two vibrating tube densimeters have been used to measure the densities of two mixtureswater + diethanolamine + methanol and water + N-methyldiethanolamine + methanolin the temperature range (283 to 353) K. The alkanolamines and methanol contents are respectively (between 20 and 50 and between 20 a...

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Bibliographic Details
Published in:Journal of chemical and engineering data 2003-11, Vol.48 (6), p.1565-1570
Main Authors: Amararene, Fatiha, Balz, Pierre, Bouallou, Chakib, Cadours, Renaud, Lecomte, Fabrice, Mougin, Pascal, Richon, Dominique
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
Solution properties
Solutions
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Summary:Two vibrating tube densimeters have been used to measure the densities of two mixtureswater + diethanolamine + methanol and water + N-methyldiethanolamine + methanolin the temperature range (283 to 353) K. The alkanolamines and methanol contents are respectively (between 20 and 50 and between 20 and 60) mass %. The experimental results have been correlated using the Redlich−Kister equation for the excess volume. A set of parameters for the Redlich−Kister equation has been determined using the densities of pure compounds and of binary systems available in the literature. The methodology has been extended to density calculations dealing with hybrid solvents.
ISSN:0021-9568
1520-5134
DOI:10.1021/je034094e