Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Christophe Tequi"'
Publikováno v:
American Mineralogist. 84:848-855
The heat capacities of synthetic grossular (Ca 3Al2Si3O12), ortho- and protoenstatite (MgSiO 3), and titanite (CaTiSiO5) were determined from drop-calorimetry measurements made between 400 K and 1390, 1811, and 1809 K, respectively. The heat capacity
Publikováno v:
Journal of the American Ceramic Society. 75:2601-2604
The heat capacities of liquid Li2SiO3 and Li2Si3O7 have been determined through drop calorimetry measurements to complement available data on lithium, sodium, and potassium silicate melts. The composition and temperature dependences of the heat capac
Publikováno v:
Geochimica et Cosmochimica Acta. 55:1005-1010
The heat capacity of Mg3Al2Si3O12 glass has been measured from 10 to 1000 K by adiabatic and differential scanning calorimetry. The heat capacity of crystalline pyrope has been determined from drop-calorimetry measurements between 820 and 1300 K. Fro
Publikováno v:
Journal of the American Ceramic Society. 67:C-6
Drop calorimetry measurements for four Na20-Si02 liquids indicate that, to within ±0.5%, the heat capacities are temperature-independent between 900 and 1800 K and additive functions of composition for liquids containing from 50 to 100 mol% Si02. In
Publikováno v:
Geochimica et Cosmochimica Acta
Geochimica et Cosmochimica Acta, 1982, 46 (12), pp.2639-2658. ⟨10.1016/0016-7037(82)90383-0⟩
Geochimica et Cosmochimica Acta, Elsevier, 1982, 46 (12), pp.2639-2658. ⟨10.1016/0016-7037(82)90383-0⟩
Geochimica et Cosmochimica Acta, 1982, 46 (12), pp.2639-2658. ⟨10.1016/0016-7037(82)90383-0⟩
Geochimica et Cosmochimica Acta, Elsevier, 1982, 46 (12), pp.2639-2658. ⟨10.1016/0016-7037(82)90383-0⟩
International audience; We report relative enthalpy measurements on quartz, cristobalite and amorphous SiO2 between 1000 and 1800 K. We have observed a glass transition around 1480 K for amorphous SiO2. From our results and available Cp, relative ent
Publikováno v:
Canadian Journal of Chemistry. 52:400-406
This paper describes a technique for measuring the speed of sound in molten salts employing a pulse method. The signal coming from the sample is made to coincide with that coming from a delay line of a variable length of water. The intervening parts
Publikováno v:
Thermochimica Acta. 9:135-141
Joined with measures of specific heat at low temperature , a calorimetric study of alkali sulphates from ordinary temperature to 1500 K has allowed the calculation of enthalpy, entropy and Gibbs free energy of these salts. The value of entropy at mel
Publikováno v:
Journal of Chemical & Engineering Data. 27:129-132
Publikováno v:
Périodiques Scientifiques en Édition Électronique.
An impulsional method is described for the measurement of sound velocity in liquids as functions of pressure and temperature. From sound velocities under pressure and heat capacities and molar volumes at atmospheric pressure, an iteration calculation
Publikováno v:
Chemischer Informationsdienst. 15
Drop calorimetry measurements for four Na20-Si02 liquids indicate that, to within ±0.5%, the heat capacities are temperature-independent between 900 and 1800 K and additive functions of composition for liquids containing from 50 to 100 mol% Si02. In