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Thermodynamic properties of thulium and ytterbium in molten caesium chloride

“…It depends from decreasing of the stability of chloride complexes with the increasing of the temperature [34]. Our obtained data are compared with literature [11] for samarium and europium in caesium chloride in table 3. From the data given in table 3 one can see that the relative stability of lanthanides(III) complexes ions is increased in the line Tm > Sm > Yb > Eu.…”

“…It means that the strength of ½YbCl6 3À complex ions is increased in this line. The comparison of the data for SmCl 3 [11], YbCl 3 and EuCl 3 [11] in molten CsCl show the increasing of the strength of ½LnCl6 3À complex ions in the row Sm ðc SmCl3 ¼ 2:2 Á 10 À10 Þ > Yb ðc YbCl3 ¼ 5:0 Á 10 À8 Þ > Eu ðc YbCl3 ¼ 5:1 Á 10 À6 Þ.…”

“…Also REE have similar chemical properties [9][10][11][12][13][14][15][16][17][18][19] to those of actinides [20][21][22][23][24][25][26][27][28] hence separation between these groups of elements is very difficult. For this reason, a good knowledge of the basic properties of lanthanides (Ln), especially the apparent redox potentials, is very important.…”

High‐Temperature Electrochemistry: A Review

“…A survey of the literature reveals that other applications of autoclave heating include: the development of ceramic membranes for high-temperature pH measurements [7], electrochemical measurements in liquid and super-critical CO 2 [77], the invention of an autoclave system that incorporates a scanning-tunneling microscope for use in hightemperature electrochemical STM experiments [11] and studying the electrochemistry of various molten salts [18,78,79]. The details of novel reference electrode designs [5,6,8,14,15,20,21,23,80] and the measurement of analytical data [80] will be discussed later in Sections 3 and 4 respectively.…”

Thermodynamic properties of thulium and ytterbium in fused NaCl–KCl–CsCl eutectic

“…Also the study of Tm is interesting as it has exactly the same electrochemical behavior as Am. In addition, REE have similar chemical properties [6][7][8][9][10][11][12][13][14][15][16][17][18][19]37] to those of actinides [20][21][22][23][24][25][26][27][28][29][30] hence separation between these groups of elements is very difficult. For this reason, a good knowledge of the base thermodynamic properties of REE and An in the proposed separation media is very important.…”