Volumetric studies of aqueous solutions of monosodium salts of some aliphatic dicarboxylic acids at 298.15 K. A new method of data analysis (CROSBI ID 195157)
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Bald, Adam ; Kinart, Zdzislaw ; Tomaš, Renato
engleski
Volumetric studies of aqueous solutions of monosodium salts of some aliphatic dicarboxylic acids at 298.15 K. A new method of data analysis
The apparent molar volumes of monosodium salts of aliphatic dicarboxylic acids of the HOOC(CH2)n(COOH)2 [n = 0 – 5] types in dilute aqueous solution have been determined by precise density measurements, at T = 298.15 K. Densities were measured using a vibrating-tube densimeter (DMA 5000, Anton Paar, Austria) at T = 298.15 K. These results were used to calculate the apparent molar volumes of each solute over the concentration range 0.0050 ≤ m /(mol • kg-1) ≤ 0.3000. A new method for determining the values of partial molar volume of the electrolyte of NaHA type has been proposed. This method takes into account all equilibrium occurring in the solution. The variations of partial molar volume values with aliphatic chain length of analyzed salts were determined.
carboxylic acids; monosodium salts of dicarboxylic acid; apparent molar volume
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