Prediction of the selectivity of dissolution of sparingly soluble borates in mineral acids

L. K. Beisembayeva, О. I. Pоnоmаrеnко, M. K. Kalabaeva, M. R. Tanasheva

Abstract


The thermodynamic characteristics ΔH0f,298 ΔG0f,298 ΔS0f,298 for 11 borate minerals. From the calculated energy ΔGbdata to dissolve the boron minerals of various inorganic acids ustanvoleno that the best solvent is sulfuric acid.

Keywords


borates; Gibbs energy; inorganic acids; dissolution; minerals

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References


Tkachev K.V., Plyshevskij Ju.S. Tehnologija neorganicheskih soedinenij bora. L.:Himija. – 1983. – P. 208.

Shvarc E.M. Kompleksnye soedinenija s polioksoedinenijami. – Riga: Zinate, 1988. – P. 244.

Shvarc E.M Vzaimodejstvie bornoj kisloty so spirtami i oksikislotami. – Riga: Zinate, 1990.– P. 405.

Tanasheva M.R., Omarov T.T., Himija i tehnologija soedinenij bora. – Almaty: Izd-vo KazGU, 2002. – P. 240.

Tanasheva M.R., Djakupova J.E., Smagulova D.A., Omarov T.T. Optimization of training in laboratory practicum physical chemistry of extraction processes // 1st European Conference in Chemical education. – Budapest, Hungary, 2001. – P. 158.

Ospanov H.K. Fiziko-himicheskie osnovy izbiratel'nogo rastvorenija mineralov. – M.: Nedra. – 1993. – P. 245.