THERMOPHYSICAL PROPERTIES OF THE GARNET, GROSSULAR - CA3AL2SI3O12

被引：46

作者：

WESTRUM, EF ^{[1
]}

ESSENE, EJ ^{[1
]}

PERKINS, D ^{[1
]}

机构：

[1] UNIV MICHIGAN,DEPT GEOL & MINERAL,ANN ARBOR,MI 48109

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 1979年 / 11卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0021-9614(79)90083-1

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The heat capacity of a gem-quality mineralogical sample of grossular: Ca3Al2Si3O12 has been determined by equilibrium adiabatic-shield calorimetry from 5 through 600 K and adjusted to the stoichiometric terminal-component grossular by a new entropy-adjustment scheme delineated in the paper. At 298.15 K the observed values of Cp, So, {Ho(T)-Ho(0)} T, and -{Go(T)-Ho(0)} T are 79.00, 61.61, 37.92, and 23.69 calth K-1 mol-1. The entropy adjusted to terminal component grossular is 60.88 calth K-1 mol-1. The results are combined with higher-temperature differential-scanning calorimetric values of Perkins et al. and of Robie et al. to provide thermodynamic values over greatly extended ranges of temperature. © 1979.

引用

页码：57 / 66

页数：10

共 21 条

[1]

BARANY R, 1961, 5825 US BUR MIN REP

[2]

BOETTCHER AL, 1974, COMMUNICATION

[3]

HAYS JF, 1966, AM MINERAL, V51, P1524

[4]

HAYS JF, 1966, THESIS HARVARD U

[5] THERMODYNAMICS OF POLYMORPHIC TRANSFORMATIONS IN SILICA . THERMAL PROPERTIES FROM 5 TO 1070DEGREESK AND PRESSURE - TEMPERATURE STABILITY FIELDS FOR COESITE AND STISHOVITE [J].

HOLM, JL ;

KLEPPA, OJ ;

WESTRUM, EF .

GEOCHIMICA ET COSMOCHIMICA ACTA, 1967, 31 (12) :2289-&

[6]

KELLEY KK, 1961, 592 US BUR MIN B

[7]

KING EG, 1961, 5810 US BUR MIN REP

[8]

KING EG, 1967, 6962 US BUR MIN REP

[9]

KING EG, 1975, 8041 US BUR MIN REP

[10]

KISELEVA IA, 1972, GEOKHIMIYA, V9, P1372

← 1 2 3 →