ACTIVITY OF LITHIUM IN LITHIUM AMALGAMS

被引:32
作者
COGLEY, DR
BUTLER, JN
机构
[1] Tyco Laboratories, Inc., Waltham
关键词
D O I
10.1021/j100849a040
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Activity coefficients of lithium in its amalgams have teen measured using the cell Li(s)|Li+, X-Li(Hg), where X- is Cl- or ClO4-, with anhydrous dimethyl sulfoxide as solvent. The activity coefficient (mole fraction scale, reference state infinite dilution) is given by the relation, log γLi = (14.6 ± 0.4) XLi, for XLi < 0.013 (saturation), and the solutions appear to be regular within experimental error. The standard potential difference between the solid lithium and lithium amalgam electrodes is 0.8438 ± 0.0002 V. A saturated amalgam at 25° contains 1.33 mole % lithium.
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页码:1017 / &
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