Phase diagram for the system K2Cr2O7 + KNO3 + H2O in the temperature range 10 °C to 40 °C

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The phase diagram for the ternary system K2Cr2O7 + KNO3 + H2O was determined at four temperatures, (10, 20, 30, and 40) °C. In addition, the densities of the saturated aqueous solutions were measured. The experimental results show that, in the temperature range (10 to 40) °C, only potassium nitrate and potassium dichromate were present as solid phases and that the solubility of KNO3 was almost independent of the K2Cr2O7 concentration, whereas the solubility of K2Cr2O decreased sharply with increases in the concentration of KNO3.

Original languageEnglish
Pages (from-to)508-510
Number of pages3
JournalJournal of Chemical & Engineering Data
Issue number3
StatePublished - 1 Jan 1997


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