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Vol. 32 No. 6
November-December 2010

Conference Call | Reports from recent conferences and symposia 
See also www.iupac.org/indexes/Conferences

Solubility Phenomena

by Heinz Gamsjäger

The IUPAC-sponsored 14th International Symposium on Solubility Phenomena and Related Equilibrium Processes was held 25–30 July 2010 at the Montanuniversität Leoben in Austria. The symposium included a workshop entitled “From Chemical Equilibrium to Process Modeling, Inclusion of Kinetics into Thermodynamic Reasoning.” The Subcommittee on Solubility & Equilibrium Data (SSED) of the IUPAC Analytical Chemistry Division met on 24 July, with Clara Magalhães of Portugal as the chair.

Ninety participants, including accompanying persons, from these 24 countries attended the annual meeting of SSED and the symposium: Algeria, Australia, Austria, Bulgaria, Canada, China, Croatia Czech Republic, Finland, Germany, Great Britain, Iran, Ireland, Japan, Libya, Luxembourg, Nepal, Poland, Portugal, Russia, Serbia, Spain, Switzerland, and USA.

The opening ceremony was presided over by Wolfhard Wegscheider, the rector of Montanuniversität Leoben. Attendees were welcomed by IUPAC Representative Filomena Camões, vice president of the Analytical Chemistry Division, Heinz Gamsjäger, symposium co-chair, and Clara Magalhães.

Six plenary and four invited lectures highlighted the wide scientific spectrum covered by this conference, which successfully integrated the traditional theme of solubility in and between solids, liquids, and gases with process modelling and inclusion of kinetics into thermodynamic reasoning emphasized by the workshop. Filomena Camões (Portugal) delivered the opening plenary address on “Analytical Chemistry and Solubility Phenomena: Interdisciplinary Methods, Concepts, and Projects,” which described how progress in special topics of chemistry is dependant upon interdisciplinary approaches. Prominent examples she used were Svante Arrhenius’ ionic theory (1884) and Walther Nernst’s solubility study on silver acetate (1889) which led him to formulate a concept later named the “solubility product.”

The first plenary lecture of the workshop was given by Klaus Hack, Germany, on “Computational Thermochemistry: A Tool for Daily Use in Industry and Academia,” which provided a comprehensive overview of the history, theory, and scientific, as well as industrial, applications of Gibbs energy minimization. Among the other keynote lectures were the following:

  • recovery of pure magnesium oxide and other products by hydrometallurgical processing of ultramafic rock (M. Grill, Austria)
  • applications of the constrained free energy minimization method (P. Koukkari, Finland), solubility phenomena of calcium sulphate and its hydrates in the hydrometallurgical process of heavy metals (D. Zeng, China)
  • tidying up the environment: a journey from exponential curves to hydrodynamics in environmental dissolutions (V. W. Truesdale, Great Britain)

The authors of the keynote lectures and the authors of two excellent oral communications (“Stabilities of Sampleite and Lavendulan and the Formation of Sampleite in the Northparkes Copper-Gold Ore System” by M. Clissold, P. Leverett, and P.A. Williams, and “Melt Corrosion of Refractories in the Non-Ferrous Industry and the Electric Arc Furnace: A Thermochemical Approach” by V. Reiter and H. Harmuth) have been invited to submit their papers to Pure and Applied Chemistry.

Jitka Eysseltova and Stanislav Frančišković-Bilinski were each honored with the 2010 Franzosini awards, and each delivered a Franzosini lecture. For more details, see article in the Wire section.

Participants of the 9th Annual Meeting of the IUPAC Subcommittee on Solubility and Equilibrium Data, which met the day before the 14th ISSP.

Twenty eight short communications and thirty five posters were presented during afternoon and morning sessions. The oral and poster contributions ranged from solubility phenomena discussed on an interdisciplinary basis emphasizing industrial applications to thermodynamic peculiarities of liquid-liquid systems and solubility aspects of diseases and medical drugs. The delegates continued their scientific discussions over lunch in the university cafeteria, thus providing a scientifically stimulating and socially friendly atmosphere throughout the conference.

IUPAC poster prizes were given to Oleg I. Silyukov (Department of Chemistry, Saint Petersburg State University, Saint Petersburg, Russia) for his poster “Behavior of Solids with Layered Type of Structures in Aqueous Systems”; Alexey N. Manin (Institute of Solution Chemistry, Russian Academy of Sciences, Ivanovo, Russia) for his poster “Solubility, Solvation Processes of Hydroxyl- and Carboxy- Acetanilides”; and Melanie Oestreich (Institute of Inorganic Chemistry, TU Bergakademie Freiberg, Germany) for her poster “Determination of Solubilities in the System MgO-MgCl2-H2O at 25°C, 40°C and 120°C.”

Sponsorship was provided by Das Land Steiermark, the Stadtgemeinde Leoben, the RH I AG, the Gesellschaft von Absolventen und Freunden der Montanuniversität, and the Austrian Chemical Society GÖCH. IUPAC generously granted financial support for six young scientists from Eastern European Countries to attend, and the Organizing Committee waived their registration fees. The participation of a delegate from Nepal was financially supported by the Lion’s Club Leoben. The symposium was chaired by Helmut Antrekowitsch and Heinz Gamsjäger, with assistance from Karin Schober and Bettina Hörmann, conference secretaries, and Harald Harmuth and Johannes Schenk, members of the local Organizing Committee.

Participants enjoyed a half-day excursion to Vordernberg and its blast furnace and finery museums. Herbert Hiebler and Gerhard Sperl guided the English-speaking visitors and A. Lampl guided the German-speaking visitors. At the Gasthof “Schwarzer Adler” a typical Styrian “Brettljause” (afternoon tea on a wooden plate) was served. Accompanying persons enjoyed guided tours to the cities of Leoben and Graz, and a tour through the Enns Valley.

The 15th ISSP will be held in July 2012 in Xining, China.

Heinz Gamsjäger <gamsjaeg@mu-leoben.at> was co-chair of the symposium; he is a professor in the Department of Physical Chemistry at Montanuniversitaet Leoben in Austria. He is a long-time member of the SSED. Input to this report was also provided by Clara Magalhães.

 


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