A DSC study of the NaNO3–KNO3 system using an innovative encapsulation technique

Beneš, O.; Konings, R.J.M.; Wurzer, S.; Sierig, Mark; Dockendorf, A.

doi:10.1016/j.tca.2010.06.003

Cited by 77 publications

(40 citation statements)

References 23 publications

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“…To minimize the composition error of the examined mixture the initial amount of each pure fluoride salt was filled directly into a DSC crucible. The used crucible consists of a stainless steel body with a inserted boron nitride liner and was developed in the Institute for Transuranium Elements to measure the phase diagrams of fluoride systems as described in detail by Beneš et al [6]. The use of 0021-9614/$ -see front matter Ó 2011 Elsevier Ltd. All rights reserved.…”

Section: Methodsmentioning

confidence: 99%

“…These signals were measured at higher temperatures with much lower intensity than the other signals and could correspond to the calculated liquidus temperatures. This effect is possibly caused by a decrease of the sensitivity using the DSC crucibles as discussed in [6].…”

Section: Lif-caf 2 -Lafmentioning

confidence: 99%

“…Three invariant equilibrium points were found, one eutectic and two peritectics, as shown in figure 13. The exact coordinates are presented in table 6.…”

Section: Naf-caf 2 -Lafmentioning

confidence: 99%

See 2 more Smart Citations

Thermodynamic investigation of the (LiF+NaF+CaF2+LaF3) system

Beilmann

Beneš

Konings

et al. 2011

The Journal of Chemical Thermodynamics

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Section: Methodsmentioning

confidence: 99%

Section: Lif-caf 2 -Lafmentioning

confidence: 99%

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Thermodynamic investigation of the (LiF+NaF+CaF2+LaF3) system

Beilmann

Beneš

Konings

et al. 2011

The Journal of Chemical Thermodynamics

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“…Many of the experimental investigations are contradictory, and a scattering of data is also observed among the liquidus, solidus and solvus temperatures as reported by Jriri et al [49]. The phase diagram is presented in two general forms: (1) the solid-liquid equilibrium is assumed to be of the eutectic type [8,50], and (2) the solid-liquid diagram has a loop with the minimum (azeotrope) and with a complete solid solution between high-temperature forms NaNO 3 and KNO 3 [4,36]. The discrepancy is caused by slow kinetics of the thermal transformations of nitrates.…”

Section: The System Nano 3 -Knomentioning

confidence: 99%

“…9a along with the selected experimental data [4][5][6]8,9,32,36,39,50]. In the present work, three nitrate solid solutions are introduced using the sublattice approach.…”

Section: The System Nano 3 -Knomentioning

confidence: 99%

Phase equilibria in the reciprocal NaCl–KCl–NaNO3–KNO3 system

Sergeev

Yazhenskikh

Kobertz

et al. 2015

Calphad

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Experimental methods in chemical engineering: Differential scanning calorimetry—DSC

et al. 2018

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Differential calorimetry assesses energy flow between a sample and its environment. The sample may be heated at a known heating rate (either constant or temperature modulated), or held in an isothermal environment or adiabatic environment depending on instrument and experimental design. The subset of differential calorimetry that deals with known heating or cooling rates is termed differential scanning calorimetry (DSC) and is a foundational technique to modern thermodynamics. It reports the heat flow versus temperature or time from which we calculate specific heat capacity at constant pressure, c P , enthalpy of fusion, and the heat of reaction. Moreover, it identifies how microstuctural properties evolve and thermal arrests-a characteristic of phase transitions. Heat-flux DSCs measure the temperature difference between a reference and a sample that sit on a thin two-dimensional plate. Power compensated DSCs heat reference material and the sample in independent furnaces while maintaining each at the same temperature. The Tian-Calvet DSC is similar to the heat-flux DSC, but minimizes error induced at high temperature with ring shaped thermopiles that surround the reference and the sample and in most designs incorporate the independent furnaces characteristic of heat flux DSC (three-dimensional heat flow probe). Convection and radiation energy leaks compromise accuracy above 600 • C, particularly for pan-style heat flux and power-compensated DSC, which are sensitive to heat transfer by conduction only. The Tian-Calvet DSC maximizes the signal-to-noise ratio by enveloping the sample and reference in the thermopile. Web of Science indexed 11 800 articles in 2016 and 2017 that mentioned DSC and assigned 789 to chemical engineering, which ranks it 5th after polymer science, material science, physical chemistry, and multi-disciplinary chemistry. A bibliometric analysis recognizes four research clusters: polymers and nano-composites, alloys and kinetics, nano-particles and drug delivery, and fibres.

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A DSC study of the NaNO3–KNO3 system using an innovative encapsulation technique

Cited by 77 publications

References 23 publications

Thermodynamic investigation of the (LiF+NaF+CaF2+LaF3) system

Thermodynamic investigation of the (LiF+NaF+CaF2+LaF3) system

Phase equilibria in the reciprocal NaCl–KCl–NaNO3–KNO3 system

Experimental methods in chemical engineering: Differential scanning calorimetry—DSC

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