2-(4-Diethylaminostyryl)-1,3,3-trimethyl-5-thiocyanato-3H-indolium chloride as a new reagent for indirect spectrophotometric red-ox determination of Osmium (VI)

• Autorzy: Kormosh Z. , Korolchuk S.
• Języki publikacji: EN

Abstrakty

EN

A highly sensitive indirect spectrophotometric redox method for the determination of osmium is reported on. The method is based on the oxidation of iodide by osmium (VI) and the spectrophotometric detection of the liberated iodine in the form of complex anion associate with 2-(4-diethylaminostyryl)-1,3,3-trimethyl-5-thiocyanato-3H-indolium chloride reagent. The appropriate reaction conditions have been established. The molar absorptivity is (0.2-1.2)ź10^5 dm3/molźcm at 589.5 nm wavelength. The absorbance of the coloured extracts obeys the Beer's law in the range to 7.6 mg/dm3 of Os(VI).

Słowa kluczowe

EN

osmium; determination; spectrophotometry

PL

osm; oznaczanie; spektrofotometria

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2008
• Tom: Vol. 10, nr 2
• Strony: 17--19
• Opis fizyczny: Bibliogr. 8 poz., rys., tab.

Twórcy

autor

Kormosh Z.

autor

Korolchuk S.

• Department of Analytical Chemistry, Volyn National University, Voly av., 13, 43021 Lutsk, Ukraine,

Bibliografia

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• 2. Beamish, F. E. (1966). The Analytical Chemistry of the Noble Metals, New York, Pergamon.
• 3. Zolotov, Yu. A., Varshal, G. M. & Ivanov, V. M. (2003). Analyticheskaya khimiya metallov platinovoi gruppy (Analytical Chemistry of Platinum-Group Metals), Moscow, Editorial URSS.
• 4. Balcerzak, M. (2002). Sample Digestion Methods for the Determination of Traces of Precious Metals by Spectrometric Techniques. Anal. Sci. 18(7), 737-750. DOI:10.2116/analsci.18.737
• 5. Balogh, I. S., Kish, P. P., Ishchenko, A. A., Mushkalo, I. L. & Andrukh, V. A. (1999). Spectrophotometric study of acid-base properties of cationic cyanine dyes. J. Anal. Chem. 45 (3), 481-489.
• 6. Kormosh, Zh., Bazel, Ya. & Tolmachov, A. (2002). The state and chemical-analytical properties of certain polymrthine dyes in aqueous solutions. Acta Chim. Slov., 49(4), 795-804. http://acta.chem-soc.si/49/49-4-795.pdf. http://acta.chem-soc.si/49/49-4-795.pdf
• 7. Chunayev, Yu. M., & Przhiyalgovskaja, N. M. (1990). The basis of the 2-methylindolinium. Synthesizing and properties. The Totals of Science and Engineering, 14, Moscow. VINITI
• 8. Tolmachov, A. A., Tolmachova, S. V., Shevchuk, L. I., Turov, A. V., Kozlov, É. S. & Babichev, F. S. (1990). Substituted 2-methyl- and 2-methyleneindolines. 3. Nitroamino-5,6-disubstituted 2-methyl- and 2-methyleneindolines. Chem. Heterocycl. Comp. 26 (11), 1245-1249. http://www.springerlink.com/content/v625126333775161/fulltext.pdf