Gel-chromatographic separation of boron-gluconate electrolyte for obtaining nano-crystalline Co–W coatings: Composition and electrochemical activity of components. Part I.
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BELEVSKII, Stanislav, BURAVETZ, Vladislav, YUSHCHENKO, Serghei, ZGARDAN, I., DIKUSAR, Aleksandr. Gel-chromatographic separation of boron-gluconate electrolyte for obtaining nano-crystalline Co–W coatings: Composition and electrochemical activity of components. Part I.. In: Surface Engineering and Applied Electrochemistry, 2016, nr. 4(52), pp. 350-355. ISSN 1068-3755. DOI: https://doi.org/10.3103/S1068375516040049
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Surface Engineering and Applied Electrochemistry
Numărul 4(52) / 2016 / ISSN 1068-3755 /ISSNe 1934-8002

Gel-chromatographic separation of boron-gluconate electrolyte for obtaining nano-crystalline Co–W coatings: Composition and electrochemical activity of components. Part I.

DOI:https://doi.org/10.3103/S1068375516040049

Pag. 350-355

Belevskii Stanislav1, Buravetz Vladislav1, Yushchenko Serghei12, Zgardan I.3, Dikusar Aleksandr 12
 
1 Institute of Applied Physics, Academy of Sciences of Moldova,
2 T.G. Shevchenko State University of Pridnestrovie, Tiraspol,
3 QUEST SRL, Floreşti
 
 
Disponibil în IBN: 19 iulie 2022


Rezumat

Studies of boron-gluconate electrolyte for obtaining nanocrystalline Co–W coatings and its separation by molecular weights of the components is carried out by gel filtration. It is shown that boric acid (as a buffer agent) and sodium chloride (as the agent increasing conductivity) after being introduced into the electrolyte form certain gluconate complexes in the solution. The boron-gluconate complex has a larger molecular weight. Three fractions with different molecular weights including the fractions that contain Co-boron-gluconate and W-boron-gluconate complexes were obtained. It is shown that the formation of certain macromolecular complexes is a slow process, the consequence of which is the dependence of the bulk properties of the electrolyte on time.

Cuvinte-cheie
boron-gluconate electrolyte, Co–W coatings, Electrodeposition, gel-chromotography, gel-filtration, induced codeposition

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<dc:creator>Belevschi, S.S.</dc:creator>
<dc:creator>Buraveţ, V.A.</dc:creator>
<dc:creator>Iuşcenco, S.P.</dc:creator>
<dc:creator>Zgardan, I.M.</dc:creator>
<dc:creator>Dicusar, A.I.</dc:creator>
<dc:date>2016-07-01</dc:date>
<dc:description xml:lang='en'><p>Studies of boron-gluconate electrolyte for obtaining nanocrystalline Co&ndash;W coatings and its separation by molecular weights of the components is carried out by gel filtration. It is shown that boric acid (as a buffer agent) and sodium chloride (as the agent increasing conductivity) after being introduced into the electrolyte form certain gluconate complexes in the solution. The boron-gluconate complex has a larger molecular weight. Three fractions with different molecular weights including the fractions that contain Co-boron-gluconate and W-boron-gluconate complexes were obtained. It is shown that the formation of certain macromolecular complexes is a slow process, the consequence of which is the dependence of the bulk properties of the electrolyte on time.</p></dc:description>
<dc:identifier>10.3103/S1068375516040049</dc:identifier>
<dc:source>Surface Engineering and Applied Electrochemistry 52 (4) 350-355</dc:source>
<dc:subject>boron-gluconate electrolyte</dc:subject>
<dc:subject>Co–W coatings</dc:subject>
<dc:subject>Electrodeposition</dc:subject>
<dc:subject>gel-chromotography</dc:subject>
<dc:subject>gel-filtration</dc:subject>
<dc:subject>induced codeposition</dc:subject>
<dc:title>Gel-chromatographic separation of boron-gluconate electrolyte for obtaining nano-crystalline Co&ndash;W coatings: Composition and electrochemical activity of components. Part I.</dc:title>
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