Synthetic fluid inclusions: XIII. Experimental determination of PVT properties in the system H2O+ 40 wt % NaCl + 5 mol% C02 at elevated temperature and pressure

1995 ◽  
Vol 59 (19) ◽  
pp. 3953-3959 ◽  
Author(s):  
C. Schmidt ◽  
K.M. Rosso ◽  
R.J. Bodnar
Keyword(s):  
Elevated Temperature ◽  
Experimental Determination ◽  
Fluid Inclusions ◽  
Pvt Properties ◽  
Synthetic Fluid Inclusions ◽  
Temperature And Pressure

The pressure dependence of the dehydration of gypsum to bassanite

1987 ◽  
Vol 51 (361) ◽  
pp. 453-457 ◽  
Author(s):  
J. D. C. McConnell ◽  
D. M. Astill ◽  
P. L. Hall
Keyword(s):  
Elevated Temperature ◽  
Experimental Determination ◽  
Volume Change ◽  
Pressure Dependence ◽  
Thermodynamic Data ◽  
Dehydration Reaction ◽  
Temperature And Pressure ◽  
The Stability ◽  
Very High

AbstractA new experimental determination of the stability relationships for the dehydration of gypsum to the hemihydrate mineral bassanite at elevated temperature and pressure is described. The experimental method used depends on the observation of very small changes in pressure on the onset of reaction due to the potential volume change in the reaction. The technique yields P-T data of very high precision for this dehydration reaction, and the method is likely to be of use for other reactions. The experimental P-T results have been compared with those calculated from existing thermodynamic data for this reaction.

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