Calorimetric investigation of Pb-Bi system

被引：8

作者：

Agarwal, Renu ^{[1
]}

Samui, Pradeep ^{[1
]}

Jat, Ram Avtar ^{[1
]}

Singh, Ziley ^{[1
]}

Sen, B. K. ^{[1
]}

机构：

[1] Bhabha Atom Res Ctr, Radiochem & Isotope Grp, Prod Dev Div, Bombay 400085, Maharashtra, India

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 490卷 / 1-2期

关键词：

Solution calorimetry; Direct reaction calorimetry; Enthalpy of solution; Enthalpy of formation; Intermetallic compound; BISMUTH PERITECTIC ALLOY; LIQUID-METALS; LEAD ALLOYS; SOLIDIFICATION; HEAT; THERMODYNAMICS; ENTHALPIES; ELEMENTS; TIN;

D O I：

10.1016/j.jallcom.2009.10.049

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：

The enthalpy of formation of epsilon-compound, Pb(0.68)Bi(0.32), was determined at 448 K by successive precipitation method. The enthalpy of formation of epsilon-compound, Pb(0.71)Bi(0.29), was determined by tin and lead solution calorimetry. By successive precipitation method, the Delta H(f)(e) of Pb(0.68)Bi(0.32) from Pb(l) and Bi(l), at 448 K,was -3.85 +/- 0.05 kJ/mol. From this value, the enthalpy of formation of the compound from Pb(s)and Bi(s) at 298.15 K was calculated as 2.7 +/- 0.15 kJ/mol. The enthalpy of formation of Pb(0.71)Bi(0.29) at 298.15 K, by tin solution calorimetry was 2.7 +/- 0.15 kJ/mol and by lead solution calorimetry was 2.75 +/- 0.15 kJ/mol. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：150 / 154

页数：5

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