Measurement of Gas Solubility for Pure Liquids Using Static Method

Sato, Takashi; Hamada, Yuzo; Yamamoto, Hideki

doi:10.2963/jjtp.25.194

Cited by 1 publication

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“…A schematic diagram of the experimental apparatus used for the gas solubility measurements is shown in Figure . The apparatus is based on the static method, − and it was possible to calculate the gas solubility by measuring the volume of gas dissolved in degassed solvent. This apparatus consisted of a degassing flask, a low-temperature circulating bath (Tokyo Rikakikai Co., Ltd., CA-1112), a vacuum pump (ULVAC Kiko Inc., G-100D), a stainless steel gas pump, a glass equilibrium cell, a Druck precision pressure indicator (GE Sensing & Inspection Technologies and GE Optimization and Control, DPI-150), a low-temperature circulator (Tokyo Rikakikai Co., Ltd., CTP-1000), and a constant temperature bath.…”

Section: Experimental Sectionmentioning

confidence: 99%

Solubility of Oxygen in Organic Solvents and Calculation of the Hansen Solubility Parameters of Oxygen

Sato

Hamada

Sumikawa

et al. 2014

Ind. Eng. Chem. Res.

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The solubility of oxygen in 21 pure organic solvents was measured at 298.2 K and 101.33 kPa using the static method. The Hansen solubility parameters (HSPs) of oxygen were determined from the measured solubilities in the pure solvents. The HSPs of oxygen were δd = 6.7 MPa1/2, δp = 0.0 MPa1/2, and δh = 3.8 MPa1/2, where d, p, and h stand for dispersion forces, dipole interaction, and hydrogen bonding, respectively. A linear relationship between the log of the gas solubility (log x G) in pure solvents and the difference between the HSP values of oxygen and the pure solvents was obtained with a high correlation coefficient of 0.944. In addition, the solubilities of oxygen in mixed solvents were measured, and these were compared with the oxygen gas solubility calculated from the HSPs of oxygen.

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Section: Experimental Sectionmentioning

confidence: 99%