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Influence of temperature, vanadium concentration, and degree of solution acidification on composition of the solid products. 11. Products of the reactions taking place in acidified solutions of potassium meta-vanadate

Ľ. Ulická

Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University, CS-84215 Bratislava

 

Abstract: The influence of temperature, vanadium concentration, acidity of reac­tion solution, and reaction time on composition of the products obtained from the KV03 — HN03 — H20 system was investigated. It has been estab­lished that K2V6016, KHV60I6.3H20, and K2V6016-2H20 arise under theexamined reaction conditions. The degree of acidity of solution has the most significant influence on composition of the products obtained from solutions within the range from 40 °C to 80 °C. At the temperature of 22 °C, the reaction time also becomes significant. The purity of the prepared K2V6016-2H20 was verified by differential thermal analysis.

Full paper in Portable Document Format: 412a195.pdf

 

Chemical Papers 41 (2) 195–202 (1987)

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