Zobrazeno 1 - 10
of 39
pro vyhledávání: '"V. G. Dodonov"'
Publikováno v:
Eurasian Chemico-Technological Journal, Vol 17, Iss 4, Pp 275-279 (2015)
The process of obtaining of highly dispersed metal powders of Ni-Cd system by reduction of their salts by hydrazine in aqueous medium at high alkalinity was investigated. The possibility of production metal powders containing up to 50 mol% of cadmium
Externí odkaz:
https://doaj.org/article/028312786e1d4dc7babcbbd546511a14
Autor:
Yu. A. Zaharov, V. G. Dodonov, V. M. Pugachev, D. M. Russakov, N. V. Ivanova, R. P. Kolmykov, N. K. Yeremenko, I. I. Obraztsova
Publikováno v:
Eurasian Chemico-Technological Journal, Vol 17, Iss 4, Pp 267-274 (2015)
Core-shell Ni/Au nanoparticles are synthesized in a two-stage process in aqueous solutions. The core-shell structure of the synthesized particles is proven by using results of HRTEM, TEM, SAXS and CVA methods. The thickness of the core is estimated a
Externí odkaz:
https://doaj.org/article/3c108f0dea254618b704a92e79080504
Autor:
V. M. Pugachev, Yu. A. Zakharov, O. V. Vasilieva, Yu. V. Karpushkina, V. G. Dodonov, К. A. Datiy
Publikováno v:
Вестник Кемеровского государственного университета, Vol 0, Iss 1-1, Pp 39-44 (2015)
The results of investigation of phase composition and elements of morphology of nano-sized Ni–Cu powders obtained by reduction from aqua salts solutions are presented. The methods of investigation are: X-ray diffraction and small-angle X-ray scatte
Externí odkaz:
https://doaj.org/article/04a7ae4e5af543a2868c99709019675e
Publikováno v:
Вестник Кемеровского государственного университета, Vol 0, Iss 3-3, Pp 181-184 (2014)
Nickel hydroxide is produced by deposition of its aqueous solution on the surface of a carbon matrix with a big surface area. We study the effect of ultrasound on the particle size of X-ray-amorphous nickel hydroxide. It was shown tha ultrasonic infl
Externí odkaz:
https://doaj.org/article/1be8747bc045410db0cfed6f8e77abb5
Publikováno v:
Вестник Кемеровского государственного университета, Vol 0, Iss 3-3, Pp 242-245 (2014)
Nanostructured Au/C composites were obtained by reduction of HAuCl4 solutions with porous carbon matrix. Investigation by different methods shows that the size of forming gold particles is comparable with matrix pore size. It wasdiscovered that a dec
Externí odkaz:
https://doaj.org/article/5f20538aa99d4725ad538bcbf0d3b20a
Publikováno v:
Вестник Кемеровского государственного университета, Vol 0, Iss 3-3, Pp 189-194 (2014)
Bimetal systems of Co/Au nanoparticles with core-shell structure were synthesized by the reduction – electrochemical replacement reaction in aqueous solutions. The core-shell structure is proved by spectroscopy in the visible area and by SAXS. Stru
Externí odkaz:
https://doaj.org/article/4589b3121eae4c0cbd9e961c1b1f8416
Publikováno v:
Вестник Кемеровского государственного университета, Vol 0, Iss 3-3, Pp 246-250 (2014)
The paper studies the variation in sorption parameters of nano-structured composites received by sedimentation of nickel hydroxide from a water solution of chloride in the alkaline environment on the surface of high-porous carbon matrixes «Karboniza
Externí odkaz:
https://doaj.org/article/1ba3fef7388245ad948af250a93efe87
Publikováno v:
Вестник Кемеровского государственного университета, Vol 0, Iss 4-1, Pp 217-225 (2013)
Nanostructured metal-carbon composites (NMCC) have been prepared by reduction of HAuCl4 in pores and upon external surface of carbon matrix. The influence of different factors on dispersity of metallic phase has been investigated. NMCC phase composit
Externí odkaz:
https://doaj.org/article/8eb66d8b26794f3182bd553d1e4b9dca
Publikováno v:
Вестник Кемеровского государственного университета, Vol 0, Iss 4-1, Pp 212-217 (2013)
Synthesis of Fe-Co nanopowders (NP) is researched. NP are prepared by reduction of metal precursors in water solution with hydrazine-hydride, including the stage of intermediate preparation – mixed metal hydroxides (MMH). Phase and crystalinity str
Externí odkaz:
https://doaj.org/article/6e6c5536c0d84ca2a0626de146a155df
Publikováno v:
Вестник Кемеровского государственного университета, Vol 0, Iss 3-3, Pp 100-103 (2013)
Nanostructured gold carbon composites have been obtained by reduction of HAuCl4 with hydrazine hydrate in pores of carbonic matrix. The size of gold particle was 15 – 40 nm according to XRD method.
Externí odkaz:
https://doaj.org/article/8cd082127d8c4e3c987d741fc9d6431d