Experimental study of phase equilibria in the (AgNO3+LiNO3+NaNO3) ternary system

•Alkali nitrates are potential materials for the storage of thermal energy.•Phase diagrams of alkali nitrate systems are essential for a better use.•We are interested in the phase diagram of the (Ag, Li, Na)NO3 system.•A new set of thermodynamic parameters of ternary liquid was obtained. Seven secti...

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Bibliographic Details
Published in:The Journal of chemical thermodynamics 2013-11, Vol.66 (4), p.102-115
Main Authors: Hellali, Dalila, Boa, David, Zamali, Hmida, Rogez, Jacques
Format: Article
Language:English
Subjects:
(AgNO3 + LiNO3 + NaNO3) ternary system
Chemical Sciences
DSC
DTA
Engineering Sciences
Material chemistry
Materials
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Summary:•Alkali nitrates are potential materials for the storage of thermal energy.•Phase diagrams of alkali nitrate systems are essential for a better use.•We are interested in the phase diagram of the (Ag, Li, Na)NO3 system.•A new set of thermodynamic parameters of ternary liquid was obtained. Seven sections, in the ternary phase diagram (AgNO3+LiNO3+NaNO3) were studied at atmospheric pressure by means of differential thermal analysis (DTA) and differential scanning calorimetry (DSC): X(AgNO3)=0.1 and 0.8, X(AgNO3)/X(LiNO3)=3/2 and 2/3, X(LiNO3)=0.2, and X(NaNO3)=0.258 and 0.3. The results exhibit two invariant reactions: a eutectoïd at T=380K and a eutectic at T=440K.
ISSN:0021-9614
1096-3626
DOI:10.1016/j.jct.2013.06.013