Densities of Water + Diethanolamine + Methanol and Water + N-Methyldiethanolamine + Methanol at Temperatures Ranging from (283.15 to 353.15) K Amararene, F.; Balz, P.; Bouallou, C.; Cadours, R.; Lecomte, F.; Mougin, P.; Richon, D.; Journal of Chemical & Engineering Data 2003, 48, 1565-1570