Effect of temperature and pressure on a water-benzene mixture as studied by infrared spectroscopy Export

@article{citeulike:1724317, abstract = {A water-benzene mixture has been studied by infrared spectroscopy at temperatures and pressures in the 473-648 K and 100-350 bar ranges. The OH stretching band intensity has been obtained as a measure of water concentration in the mixture. In the temperature range of 473-523 K, the intensity is almost independent of pressure. On the contrary, at higher temperatures, the absorption intensities exhibit remarkable pressure dependence. Moreover, the intensities increase with increasing temperature towards a certain temperature and then steeply decrease at higher temperatures. It has been found that the turning points of the intensities are located on an extended line of the liquid-liquid-gas three-phase equilibrium curve of the water-benzene mixture and near the critical curve between the two-phase and one-phase regions. This fact suggests that density of the mixture changes steeply across those lines. We have also observed coalescence of two bands, which are assigned to hydrogen-bonded and hydrogen-bond-free OH, respectively, at the higher temperatures, and discussed rotational motion of a water molecule in a hydrogen-bonded cluster.}, author = {Furutaka, Seiya and Ikawa, Shun-Ichi}, citeulike-article-id = {1724317}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/S0378-3812(01)00485-X}, citeulike-linkout-1 = {http://www.sciencedirect.com/science/article/B6TG2-43MC9F5-17/2/6d1718108767307f6497eb58db4fb336}, day = {30}, doi = {10.1016/S0378-3812(01)00485-X}, journal = {Fluid Phase Equilibria}, keywords = {benzene, eau, spectro, spectroscopy}, month = {July}, number = {1-2}, pages = {379--387}, posted-at = {2007-10-03 15:34:14}, priority = {2}, title = {Effect of temperature and pressure on a water-benzene mixture as studied by infrared spectroscopy}, url = {http://dx.doi.org/10.1016/S0378-3812(01)00485-X}, volume = {185}, year = {2001} }

TY - JOUR ID - citeulike:1724317 L3 - citeulike-article-id:1724317 N2 - A water-benzene mixture has been studied by infrared spectroscopy at temperatures and pressures in the 473-648 K and 100-350 bar ranges. The OH stretching band intensity has been obtained as a measure of water concentration in the mixture. In the temperature range of 473-523 K, the intensity is almost independent of pressure. On the contrary, at higher temperatures, the absorption intensities exhibit remarkable pressure dependence. Moreover, the intensities increase with increasing temperature towards a certain temperature and then steeply decrease at higher temperatures. It has been found that the turning points of the intensities are located on an extended line of the liquid-liquid-gas three-phase equilibrium curve of the water-benzene mixture and near the critical curve between the two-phase and one-phase regions. This fact suggests that density of the mixture changes steeply across those lines. We have also observed coalescence of two bands, which are assigned to hydrogen-bonded and hydrogen-bond-free OH, respectively, at the higher temperatures, and discussed rotational motion of a water molecule in a hydrogen-bonded cluster. IS - 1-2 JF - Fluid Phase Equilibria EP - 387 TI - Effect of temperature and pressure on a water-benzene mixture as studied by infrared spectroscopy VL - 185 SP - 379 KW - benzene KW - eau KW - spectro KW - spectroscopy AU - Furutaka, Seiya AU - Ikawa, Shun-Ichi PY - 2001/07/30/ UR - http://dx.doi.org/10.1016/S0378-3812(01)00485-X ER -