The Thermodynamics of Aqueous Indium Sulfate Solutions¹

Abstract

Vol. 58 the concentration range 0.1 to 10.75 moles per liter, were measured at 25°.The apparent molal heat capacity is a linear function of ch (or m' or M'/!) only up to about a 1.5 molal solution, above which the relation found by Randall and Rossini fails. A hyperbolic second degree equation for the apparent molal heat capacity as a function of the square root of the volume concentration reproduces the specific heats with an average deviation of ±0.0075%. Values of the partial molal heat capacity of the salt at round concentrations were calculated from an equation previously derived and values of the partial molal heat capacity of the water were calculated from a new equation which is generally applicable to all molal quantities. These values are tabulated, along with those of the specific heats of the same solutions.Evanston, Illinois

Thermodynamic Properties of Ga<SUB>2</SUB>(SO<SUB>4</SUB>)<SUB>3</SUB>&ndash;H<SUB>2</SUB>SO<SUB>4</SUB>&ndash;H<SUB>2</SUB>O Solution System

“…The results are listed in Table 2 and compared in Fig. 3 with those obtained by Hattox et al (5). Both values are in good agreement.…”

Magnetic resonance studies of solutions containing 115In

“…The llsIn line broadening effect at low concentration is clearly a hydrolytic one, because, within experimental error, addition of acid to concentrated solutions has no effect. Hattox and de Vries 41 although the former gave a better fit. Later work 1' 297 shows that complex formation and the possibility of polymeric hydrolysis products would jeopardize the basis of their calculations.…”

Electrochemical behaviors of Indium

“…The standard potential of the In 3+ /In 0 was determined by measuring the electrode potential in aqueous chloride, 27,28) sulfate 28,29,30) and sulfate-perchlorate solutions 31) and was approximately −0. …”