СЕЛЕКТИВНОЕ ПОТЕНЦИОМЕТРИЧЕСКОЕ ОПРЕДЕЛЕНИЕ СЕРЕБРА В ОЛОВЯННЫХ И ОЛОВЯННО-СВИНЦОВЫХ ПРИПОЯХ С ИНДИКАТОРНЫМ МОДИФИЦИРОВАННЫМ УГОЛЬНО-ПАСТОВЫМ ЭЛЕКТРОДОМ

L. K. Neudachina, Iu. S. Petrova, D. A. Rakov

Аннотация


Впервые созданы угольно-пастовые электроды (УПЭ), в различной степени модифицированные сшитым глутаровым альдегидом N-2-сульфоэтилхитозаном со степенью замещения атомов водорода аминогруппы 0.5 (СЭХ 0.5). Изучены основные электрохимические свойства УПЭ как потенциометрических сенсоров для определения меди (II) и серебра (I) (предел обнаружения, крутизна, диапазон линейности электродной функции). Показано, что все исследуемые УПЭ в аммиачно-ацетатном буферном растворе обладают сверхнернстовской крутизной электродной функции. Установлено, что наименьшим пределом обнаружения меди (II) и серебра (I), равным 3.2∙10-7 моль/дм3 и 6.3∙10-8 моль/дм3, соответственно, обладает ионоселективный электрод с 10 % содержанием модификатора. Для данного сенсора определены время отклика на ионы серебра (I) и коэффициенты потенциометрической селективности. Отрицательные логарифмы коэффициентов селективности, определенных по отношению к ионам никеля (II), кобальта (II), свинца (II), меди (II), кальция, цинка, стронция, натрия и калия, составили 4.64, 4.40, 4.38, 4.11, 3.16, 3.06, 4.41, 3.04 и 3.04 соответственно. Разработана методика измерений массовой доли серебра в припоях оловянных и оловянно-свинцовых методом потенциометрического титрования с использованием в качестве индикаторного УПЭ с 10%-ным содержанием СЭХ 0.5. Определены характеристики погрешности измерений по данной методике, проведена ее аттестация.

Ключевые слова: потенциометрическое титрование, модифицированные угольно-пастовые электроды, серебро, N-2-сульфоэтилхитозан, оловянные и оловянно-свинцовые припои.

DOI: http://dx.doi.org/10.15826/analitika.2014.18.3.008

 


Полный текст:

PDF (Russian)

Литература


Piatnitskii I.V., Sukhan V.V. Analiticheskaia khimiia serebra [Analytical chemistry of silver]. Moscow, Nauka Publ., 1975. 264 p. (in Russian)

Spravochnik po paike [Reference book on the soldering] / [Under edition I.E. Petrunin]. Moscow, Mashinostroenie Publ., 2003. 480 p. (in Russian)

GOST 19738–74. Pripoi serebrianye. Marki. [State Standard 19738–74. Silver solders. Brands.] Moscow, Standartinform Publ., 1986. 7 p. (in Russian)

GOST 16882.1–71. Serebriano-medno-fosfornye pripoi. Metod opredeleniia soderzhaniia serebra. [State Standard 16882.1–71. Silver-copper-phosphorus solders. Method of silver determination.] Moscow, Standartinform Publ., 1986. 3 p. (in Russian)

GOST 16883.1-71. Serebriano-medno-tsinkovye pripoi. Metod opredeleniia soderzhaniia serebra. [State Standard 16883.1-71. Silver-copper-zinc solders. Method of silver determination.] Moscow, Standartinform Publ., 1986. 2 p. (in Russian)

Kamman K. Rabota s ionoselektivnymi elektrodami [Working with ion-selective electrodes]. Moscow, Mir Publ., 1980. 283 p. (in Russian)

Koryta I., Shtulik K. Ionoselektivnye elektrody [Ion-selective electrodes]. Moscow, Mir Publ., 1989. 272 p. (in Russian)

Budnikov G.K., Evtiugin G.A., Maistrenko V.N. Modifitsirovannye elektrody dlia vol'tamperometrii v khimii, biologii i meditsine [Modified electrodes for voltammetry in chemistry, biology and medicine]. M.: Binom. Laboratoriia znanii Publ., 2010. 416 p. (in Russian)

Ibrahim H. Chemically modified carbon paste electrode for the potentiometric flow injection analysis of piribedil in pharmaceutical preparation and urine. Journal of Pharmaceutical and Biomedical Analysis, 2005, vol. 38, no. 4, pp. 624-632.

Abu-Shawish H.M., Ghalwa N.A., Zaggout F.R., Saadeh S.M., Al-Dalou A.R., Abou Assi A.A. Improved determination of tramadol hydrochloride in biological fluids and pharmaceutical preparations utilizing a modified carbon paste electrode. Biochemical Engineering Journal, 2010, vol. 48, no. 2, pp. 237-245.

Abbaspour A., Ghaffarinejad A., Safaei E. Determination of L-histidine by modified carbon paste electrode using tetra-3,4-pyridinoporphirazinatocopper(II). Talanta, 2004, vol. 64, no. 4, pp. 1036-1040.

Kumar K.G., Augustine P., John S. Novel potentiometric sensors for the selective determination of domperidone. Journal of Applied Electrochemistry, 2010, vol. 40, no 1, pp. 65-71.

Guo J., Chai Y., Yuan R., Song Z., Zou Z. Lead (II) carbon paste electrode based on derivatized multi-walled carbon nanotubes: Application to lead content determination in environmental samples. Sensors and Actuators B: Chemical, 2011, vol. 155, no. 2, pp. 639-645.

Ghaedi M., Shokrollahi A., Salimibeni A.R., Noshadi S., Joybar S. Preparation of a new chromium(III) selective electrode based on 1-[(2-hydroxy ethyl) amino]-4-methyl-9H-thioxanthen-9-one as a neutral carrier. Journal of Hazardous Materials, 2010, vol. 178, no. 1-3, pp. 157-163.

Abbas M.N., Mostafa G.A.E. New triiodomercurate-modified carbon paste electrode for the potentiometric determination of mercury. Analytica Chimica Acta, 2003, vol. 478, no. 2, pp. 329-335.

Shamsipur M., Tashkhourian J., Hemmateenejad B., Sharghi H. Application of artificial neural network to simultaneous potentiometric determination of silver(I), mercury(II) and copper(II) ions by an unmodified carbon paste electrode. Talanta, 2004, vol. 64, no. 3, pp. 590–596.

Mashhadizadeh. M. H., Mostafavi A., Allah-Abadi H., Sheikhshoai I. New Schiff base modified carbon paste and coated wire PVC membrane electrode for silver ion. Sensor. Actuat. B–Chem, 2006, vol. 113, pp. 930–936.

Vytras K., Svancara I., Metelka R. Carbon paste electrodes in electroanalytical chemistry. Journal of the Serbian Chemical Society, 2009, vol. 47, no. 10, pp. 1021-1035.

Svancara I., Vytras K., Kalcher K., Walcarius A., Wang J. Carbon Paste Electrodes in Facts, Numbers, and Notes: A Reviewon the Occasion of the 50-Years Jubilee of Carbon Paste in Electrochemistry and Electroanalysis. Electroanalysis, 2009, vol. 21, no. 1, pp. 7-28.

Svancara I., Vytras K., Barek J., Zima J. Carbon paste electrodes in modern electroanalysis. Crit. Rev. Anal. Chem, 2001, vol. 31, no. 4, pp. 311–345.

Pestov A.V., Petrova Yu.S., Bukharova A.V., Neudachina L.K., Koryakova O.V., Matochkina E.G., Kodess M.I., Yatluk Yu.G. Synthesis in a gel and sorption properties of N-2-sulfoethyl chitosan. Russian Journal of Applied Chemistry, 2013, vol. 86, no. 2, pp. 269−272. (Russ. ed.: Pestov A.V., Petrova Yu.S., Bukharova A.V., Neudachina L.K., Koryakova O.V., Matochkina E.G., Kodess M.I., Yatluk Yu.G. Zhurnal Prikladnoi Khimii, 2013, vol. 86, no. 2, pp. 290−293)

Petrova Iu.S., Pestov A.V., Neudachina L.K. «Perspektivnye innovatsii v nauke, obrazovanii, proizvodstve i transporte ‘2012»: Sb. trudov po materialam mezhdunarodnoi nauchno-prakticheskoi konferentsii [Perspective innovations in science, education, production and transport ‘2012: The collection of works on materials of the international scientific and practical conference]. Odessa, 2012, Iss. 2, vol. 9, pp. 64-67.

Buck P.R., Lindner E. Recommendations for nomenclature of ion-selective electrodes. J. Pure Appl. Chem, 1994, vol. 66, no. 12, pp. 2527–2536.

Okunev M.S., Khitrova N.V., Kornienko O.I. [Evaluation of selectivity of ion-selective electrodes]. Zhurnal analiticheskoi himii [Journal of Analytical Chemistry], 1982, vol. 37, no. 1, pp. 5–13 (in Russian)

Hu X., Leng Z. Highly selective and super-Nernstian potentiometry for determination of Cu2+ using carbon paste electrode. Anal. Let, 1995, vol. 28, no. 6, pp. 979–989.

Neudachina L.K., Lakiza N.V. [Complexation of transition metal ions on the surface of carboxyethylaminopolysiloxanes]. Zhurnal neorganicheskoj himii [Journal of Inorganic Chemistry], 2014, vol. 59, no. 6, pp. 814-819 (in Russian)

Abu-Shawish H.M., Saadeh S.M., Dalloul H.M., Najri B., Al Athamna H. Modified carbon paste electrode for potentiometric determination of silver(I) ions in burning cream and radiological films. Sensor. Actuat. B–Chem, 2013, vol. 182, pp. 374 381.

Zhang T., Chai Y., Yuan R., Guo J. Potentiometric detection of silver (I) ion based on carbon paste electrode modified with diazo-thiophenol-functionalized nanoporous silica gel. Mater. Sci. Eng, 2012, vol. 32, pp. 1179–1183.

Javanbakht M., Ganjali M.R., Norouzi P., Badiei A., Hasheminasab A., Abdouss M. Carbon paste electrode modified with functionalized nanoporous silica gel as a new sensor for determination of silver ion. Electroanal, 2007, vol. 19, no. 12, pp. 1307 – 1314.

Gismera J., Hueso D., Procopio J.R., Sevilla M.T. Ion-selective carbon paste electrode based on tetraethyl thiuram disulfide for copper(II) and mercury(II). Anal. Chim. Acta, 2004, vol. 524, no. 1–2, pp. 347–353.

Elektrod serebro-selektivnyi ELIS-131Ag (OOO «Izmeritel'naia tekhnika») [Silver-selective electrode ELIS-131Ag (JSC Izmeritelnaya tekhnika)]. Available at: http://www.izmteh.ru/catalog/it_dev/el/elis/131ag.php (accessed 03 March 2014 г.) (in Russian)

ESS-01 Elektrod sul'fidserebrianyi laboratorno-promyshlennyi dlia izmereniia velichiny rAg i kontsentratsii ionov sery S(-2) [ESS-01 The laboratory and industrial electrode for measurement of the pAg and concentration of S(-2) ions]. Available at: http://zipgomel.by/ESS-01 (accessed 03 March 2014 г.) (in Russian)

Ionoselektivnye elektrody (NTF «Vol'ta») [Ion-selective electrodes (STF "Volta")]. Available at: http://volta.spb.ru/content/view/82/78/ (accessed 03 March 2014 г.) (in Russian)

Elektrod med'-selektivnyi ELIS131Cu (OOO «Izmeritel'naia tekhnika») [Copper-selective electrode ELIS-131Cu (JSC Izmeritelnaya tekhnika)]. Available at:: http://www.izmteh.ru/catalog/it_dev/el/elis/131cu.php (accessed 03 March 2014 г.) (in Russian)

Abbaspour A., Moosavi S.M.M. Chemically modified carbon paste electrode for determination of copper(II) by potentiometric method. Talanta, 2002, vol. 56, pp. 91–96.

Abu-Shawish H.M., Saadeh S.M., Hussien A.R. Enhanced sensitivity for Cu(II) by a salicylidine-functionalized polysiloxane carbon paste electrode. Talanta, 2008, vol. 76, pp. 941–948.

Issa Y.M., Ibrahim H., Shehab O.R. New copper(II)-selective chemically modified carbon paste electrode based on etioporphyrin I dihydrobromide. J. Electroanal. Chem, 2012, vol. 666, pp. 11–18.

Polianskii N.G. Analiticheskaia khimiia elementov. Svinets. [Analytical chemistry of elements. Lead]. Moscow, Nauka Publ., 1986. 357 p. (in Russian)

Spivakovskii V.B. Analiticheskaia khimiia olova [Analytical chemistry of tin]. Moscow, Nauka Publ., 1975. 252 p. (in Russian)

GOST 1429.4-77. Pripoi olovianno-svintsovye. Metody opredeleniia medi [State Standard 1429.4-77. Tin-lead solders. Methods of determination of copper]. Moscow, Standartinform Publ., 1983. 6 p. (in Russian)

GOST 21931-76. Pripoi olovianno-svintsovye v izdeliiakh. Tekhnicheskie usloviia [State Standard 21931-76. Tin-lead solders in the products. Specifications]. Moscow, Standartinform Publ., 1998. 9 p. (in Russian)

RMG 76-2004. Gosudarstvennaia sistema obespecheniia edinstva izmerenii. Pokazateli tochnosti, pravil'nosti, pretsizionnosti metodik kolichestvennogo khimicheskogo analiza. Metody otsenki [Recommendations about interstate standardization 76-2004. State system for ensuring the uniformity of measurements. Measures of accuracy, correctness, precision methods of quantitative chemical analysis. Methods of evaluation]. Moscow, Standartinform Publ., 2004. 99 p. (in Russian)


Ссылки

  • На текущий момент ссылки отсутствуют.