Browsing 3(91)/2018-Химия by Title

Browsing 3(91)/2018-Химия by Title

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  • Method for increasing the accuracy of quantitative determination of iron by LIBS 
    Fomin, V.N.; Aldabergenova, S.K.; Rustembekov, K.T.; Dik, A.V.; Kim, Yu.Yu.; Rozhkovoy, I.Ye. (Ye.A.Buketov Karaganda State University Publ., 2018-09-29)
    The problems of improving the chemometric characteristics of spectral methods of analysis are being intensively studied throughout the world. These problems are especially significant in the field of laser atomic emission ...
  • Researching of physicochemical properties of the special coke of «ShubarkolKomir» JSC 
    Tateyeva, A.B.; Baikenov, M.I.; Parafilov, V.I.; Martynova, Ye.N.; Mukhametzhanova, S.K.; Aitbekova, D.Ye. (Ye.A.Buketov Karaganda State University Publ., 2018-09-29)
    One of the priority directions in the Republic of Kazakhstan is the production of low-sulfur coke with sulfur content up to 1 % and needle coke used in the electrode industry, which is fully purchased by import. Needle coke ...
  • Study of acid catalyzed synthesis and analytical preparative separation of the spatial isomers of N,N-dimethylglycoluril 
    Kushcherbaeva, V.R.; Bakibaev, А.А.; Kurgachev, D.A; Zhaksybaeva, A.G.; Malkov, V.S.; Kotelnikov, O.A. (Ye.A.Buketov Karaganda State University Publ., 2018-09-29)
    Alkylglycolurils are promising class of organic compounds characterized by a wide spectrum of psychopharmacological activity such as tranquilizing, neuroleptic, antidepressant and psychostimulating. However, there are ...
  • Study of hydrolytic stability of glycolurils under alkaline conditions 
    Kushcherbaeva, V.R.; Bakibaev, А.А.; Kurgachev, D.A.; Fomchenkov, M.A.; Zhaksybaeva, A.G.; Malkov, V.S (Ye.A.Buketov Karaganda State University Publ., 2018-09-29)
    This article is devoted to the hydrolytic stability of glycoluryls, which are a promising class of organic compounds characterized by a wide spectrum of psychopharmacological activity. Hydrolysis of glycoluril and a mixture ...
  • Synthesis and study of structure of the iron chloride – polyvinylpyrrolidone complex 
    Akbayeva, D.N.; Bakirova, B.S.; Seilkhanova, G.A.; Kadirkulova, G.A. (Ye.A.Buketov Karaganda State University Publ., 2018-09-29)
    The polymer-metal complex on the basis of iron (III) chloride and a polyvinylpyrrolidone (PVP) was synthesized. The composition of this complex was established by potentiometric and conductometric methods. Titration curves ...
  • The effect of electromagnetic field on silver iodide sols stability 
    Stas, I.Ye. (Ye.A.Buketov Karaganda State University Publ., 2018-09-29)
    It is shown that the influence of the ultrahigh-frequency electromagnetic field on purified water leads to a significant increase in its electrical conductivity and pH. The effect can be interpreted as a change in ...
  • The extraction of cadmium from zinc-containing materials and ores by the Waelz process using oil sludge 
    Abdikulova, Z.K.; Agabekova, А.B. (Ye.A.Buketov Karaganda State University Publ., 2018-09-29)
    Methods of extraction of cadmium from ores and zinc-containing materials are considered in the article. The Waelz process of Achisai ores (0.1–0.2 % of Cd) is carried out in the presence of 45–55 % of coke from the mass ...

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