The phase diagram of the AgNO3-KNO3 system determined by differential scanning calorimetry

K. Mészáros Szécsényi, K. Tomor, G. Pokol

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The phase diagram for the AgNO3-KNO3 system has been determined using differential scanning calorimetry (DSC). Eutectic point has been found at 391 K and X Ag=0.580 mole fraction AgNO3. The DSC curves indicate the existence of an intermermediate compound (AgNO3·KNO3) in the KNO3-rich region of the phase diagram. This compound was identified in the solid phase by X-ray diffraction. The melting and the crystallization processes were followed with the aid of a hot stage microscope, too.

Original languageEnglish
Pages (from-to)125-134
Number of pages10
JournalJournal of thermal analysis
Issue number1
Publication statusPublished - Jan 1 1994



  • AgNO-KNO system
  • DSC
  • eutectic point
  • phase diagram

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Engineering(all)

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