International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Most Trusted Research Journal Since Year 2012

ISSN: 2319-7064



Research Paper | Chemistry Science | India | Volume 4 Issue 2, February 2015

Speciation Studies of Dimethyltin (IV) and Trimethyltin (IV) - Carboxylates Systems

Meena Devi, Renu Nair Ahuja

Speciation studies of the systems involving interaction of dimethyltin (IV) [DMT]and trimethyltin (IV) [TMT] cations with adipic acid, citric acid, tartaric acid and phthalic acid have been determined in aqueous solution in the pH range 2.7 to 10.5 at three different temperatures (201C, 301C and 401C) and at three ionic strengths (=0.05, 0.10 and 0.15 M), using potentiometric technique. The computational analysis is done using standard mathematical approaches and SCOGS (stability constant of generalized species) computer programme. The formation of protonated, nonprotonated and hydroxo species in various systems is presented in the form of distribution curves.The thermodynamic stabilities of DMT species are found to be more than TMT (IV) species. Based on coordination the stability trend for various ligands is found to bePhthalic acid > Tartaric acid >Adipic acid > Citric acid.

Keywords: Speciation, organotin IV -carboxylates, thermodynamic stability

Edition: Volume 4 Issue 2, February 2015

Pages: 1351 - 1358

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Meena Devi, Renu Nair Ahuja, "Speciation Studies of Dimethyltin (IV) and Trimethyltin (IV) - Carboxylates Systems", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB151419, Volume 4 Issue 2, February 2015, 1351 - 1358

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