THE ELECTRIC-CONDUCTIVITY OF LIQUID CESIUM TO HIGH-TEMPERATURES

被引：1

作者：

KELLER, E ^{[1
]}

FRANCK, EU ^{[1
]}

机构：

[1] UNIV KARLSRUHE,INST PHYS CHEM,D-76128 KARLSRUHE,GERMANY

来源：

BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 1995年 / 99卷 / 04期

关键词：

ELECTRICAL CONDUCTIVITY; HIGH PRESSURE; HIGH TEMPERATURE; LIQUID METALS;

D O I：

10.1002/bbpc.19950990413

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：

An apparatus is used with a thin walled stainless steel cell and a four-pole potentiometric arrangement to perform precise measurements of the electric conductivity sigma of liquid cesium to high temperatures at equilibrium vapour pressure. Results are given from 200 to 800 degrees C. A five-parameter equation for use from the melting temperature of 28.4 degrees C to 1200 degrees C is presented. Conductivity values of 17705 and 6435 ohm(-1) cm(-1) were obtained for 200 and 800 degrees C, respectively. The relative expected error is given in dependence of temperature. A typical value is +/- 0.34%. All data are well within the range of validity of the near-free-electron, NFE, model for metallic conductance.

引用

页码：682 / 684

页数：3

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