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

  • L. K. Beisembayeva Faculty of Chemistry and Chemical Technology, al-Farabi Kazakh National University
  • О. I. Pоnоmаrеnко Faculty of Chemistry and Chemical Technology, al-Farabi Kazakh National University
  • M. K. Kalabaeva Faculty of Chemistry and Chemical Technology, al-Farabi Kazakh National University
  • M. R. Tanasheva Faculty of Chemistry and Chemical Technology, al-Farabi Kazakh National University

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.

References

1 Tkachev K.V., Plyshevskij Ju.S. Tehnologija neorganicheskih soedinenij bora. L.:Himija. – 1983. – P. 208.
2 Shvarc E.M. Kompleksnye soedinenija s polioksoedinenijami. – Riga: Zinate, 1988. – P. 244.
3 Shvarc E.M Vzaimodejstvie bornoj kisloty so spirtami i oksikislotami. – Riga: Zinate, 1990.– P. 405.
4 Tanasheva M.R., Omarov T.T., Himija i tehnologija soedinenij bora. – Almaty: Izd-vo KazGU, 2002. – P. 240.
5 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.
6 Ospanov H.K. Fiziko-himicheskie osnovy izbiratel'nogo rastvorenija mineralov. – M.: Nedra. – 1993. – P. 245.
Published
2013-12-20
How to Cite
BEISEMBAYEVA, L. K. et al. Prediction of the selectivity of dissolution of sparingly soluble borates in mineral acids. International Journal of Biology and Chemistry, [S.l.], v. 6, n. 2, p. 50-54, dec. 2013. ISSN 2409-370X. Available at: <http://ijbch.kaznu.kz/index.php/kaznu/article/view/99>. Date accessed: 18 nov. 2017.
Section
Chemistry

Keywords

borates; Gibbs energy; inorganic acids; dissolution; minerals