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Conductivities of the Ternary Systems Y(NO3)3+La(NO3)3+H2O, La(NO3)3+Ce(NO3)3+H2O, La(NO3)3+Nd(NO3)3+H2O and Their Binary Subsystems at Different Temperatures

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Abstract

Electrical conductivities were measured for the ternary systems Y(NO3)3+La(NO3)3+H2O, La(NO3)3+Ce(NO3)3+H2O, La(NO3)3+Nd(NO3)3+H2O, and their binary subsystems Y(NO3)3+H2O, La(NO3)3+H2O, Ce(NO3)3+H2O, and Nd(NO3)3+H2O at (293.15, 298.15 and 308.15) K. The measured conductivities were used to test the generalized Young’s rule and the semi-ideal solution theory. The comparison results show that the generalized Young’s rule and the semi-ideal solution theory can yield good predictions for the conductivities of the ternary electrolyte solutions, implying that the conductivities of aqueous solutions of (1:3 + 1:3) electrolyte mixtures can be well predicted from those of their constituent binary solutions by the simple equations.

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Abbreviations

a :

activity

A l :

coefficients in Eq. 4

B,C:

solute components

I :

ionic strength

m :

molality (mol⋅kg−1)

N :

the number of experimental data

x :

mole fraction

y :

ionic strength fraction

σ :

conductivity

δ :

function defined by Eq. 6

ϕ :

osmotic coefficient

Δ:

function defined by Eq. 5

io:

quantity in binary solutions at the same water activity as that of a mixed solution

o:

quantity in binary solutions

o,I :

quantity in binary solutions at the same ionic strength as that of a mixed solution

B,C:

components

calc:

calculational quantity

Eq. i :

prediction of Eq. 2 or Eq. 3

exp :

experimental quantity

M i X i :

component index

w:

water

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Authors and Affiliations

  1. State Key Laboratory of Heavy Oil Processing, High Pressure Fluid Phase Behavior and Property Research Laboratory, China University of Petroleum, Beijing, 102249, China

    Yu-Feng Hu, Chuan-Wei Jin, Jin-Zhu Zhang & Shan Ling

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  1. Yu-Feng Hu
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  2. Chuan-Wei Jin
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  4. Shan Ling
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Correspondence to Yu-Feng Hu.

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Hu, YF., Jin, CW., Zhang, JZ. et al. Conductivities of the Ternary Systems Y(NO3)3+La(NO3)3+H2O, La(NO3)3+Ce(NO3)3+H2O, La(NO3)3+Nd(NO3)3+H2O and Their Binary Subsystems at Different Temperatures. J Solution Chem 40, 1447–1457 (2011). https://doi.org/10.1007/s10953-011-9726-y

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