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EN
The influence of time and excess of KCl in a reaction mixture on the yield of KVO3 synthesis based on KCl and V2O5 in the presence of steam was determined. The research has been carried out in the time range 4h to 6h and the excess of KCl range 10% do 40%.
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2001
|
tom z. 142
221-226
EN
Mutual salts solubility in the title system at 293 K was examined employing a method of the isothermal solution saturation. Experimental data was used to plot the solubility isotherm in the oblique projection on plane according to Janecke's. A thorough konwledge of the isotherm course is crucial to design a new partial utilization method of after-filtration liquor generated from filtration of NaHCO3 solids in the Solvay's process.
EN
The solubility of ammonium bicarbonate and sodium bicarbonate in water have been presented. The change of mutual salt concentrations and the density of the solutions as a function of the temperature have been described by the appropriate mathematical equations. The equations can be used for detailed calculations of the NH4HCO3 concentration and the density of the solutions for any temperature within the investigated range.
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