Abstract

The solubility of sodium thioglycolate in five pure solvents of water, methanol, ethanol and isopropyl alcohol, n-propanol and four binary solvent mixtures (water + methanol, water + ethanol, water + isopropyl alcohol, water + n-propanol) was determined within the temperature range from (293.15 to 333.15) K by using the gravimetrical method under atmospheric pressure (p = 0.1 MPa). The solubility of sodium thioglycolate in water, ethanol, isopropyl alcohol, and n-propanol increases with a rise of temperature, but the solubility decreases in methanol with increasing temperature. Meanwhile, in the binary solvent mixtures (water + methanol, water + ethanol, water + isopropyl alcohol, water + n-propanol), the solubility of sodium thioglycolate increases with increasing the mole fraction of water and with temperature. The modified Apelblat equation and van’t Hoff equation were applied to correlate the solubility of sodium thioglycolate in the five pure solvents, while in the binary solvent mixtures, the solubi...

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