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Article
Influence of Chemically Active Additives on the Nature of the Evaporation of Highly Volatile Impurities during Their Determination in Aluminum and Its Oxide by Arc Atomic Emission Spectrometry
The effect of chemically active fluorine-containing additives AlF3, AgF, and ZnF2 on the nature of the evaporation of non-volatile elements, B, Be, Cr, Hf, Mo, Si, Ti, and V from aluminum oxide in a direct curren...
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Article
Nanocomposites Based on Multi-Walled Carbon Nanotubes, Magnetite Nanoparticles, and Core–Shell Molecularly Imprinted Polymers in Piezoelectric Sensors for the Determination of Macrolide Antibiotics
A piezoelectric sensor with a recognition layer based on magnetic carbon nanocomposites, including multi-walled carbon nanotubes, magnetic Fe3O4 nanoparticles, and polymer nanospheres with molecular imprints of e...
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Article
Use of Magnetic Carbon Nanocomposites in the Formation of a Recognition Layer of a Piezoelectric Immunosensor for the Determination of Penicillin G
Conditions for the formation of a recognition layer of a piezoelectric immunosensor based on magnetic carbon nanocomposites (MCNCs) under the action of an external magnetic field are studied. The effects of th...
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Article
Behavior and Fractionation of Low-Volatile Impurities in a DC Arc in the Analysis of Zirconium by Atomic Emission Spectrometry
We studied the effect of chemically active fluorine-containing additives AlF3, BaF2, and ZnF2 on the character of evaporation of some low-volatile elements from a refractory matrix in the crater of a DC arc elect...
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Article
Adsorption Potential of a Magnetic Composite Based on Modified Carbon Nanotubes Synthesized Using Various Catalysts
Using an example of the adsorption of Ag(I), Au(III), and Pd(II) ions from aqueous solutions, we studied the dependence of the adsorption capabilities of MNP@CNT magnetic adsorbents on the ratio of their compo...
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Article
A Piezoelectric Immunosensor Based on Magnetic Carbon Nanocomposites for the Determination of Ciprofloxacin
A piezoelectric immunosensor with a recognition layer based on magnetic carbon nanocomposites is developed for the determination of ciprofloxacin. The receptor coating of the sensor is formed by the action of ...
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Article
Using Chemically Active Additives for the Arc Atomic Emission Determination of Boron in Graphite
We studied the effect of chemically reactive additives of AlF3, ZnF2, and SrF2 on the character of boron evaporation from a crater in a DC arc electrode in the analysis of graphite. The introduction of fluorinati...
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Article
Sorption Properties of a Magnetic Composite Based on Modified Carbon Nanotubes: Influence of the Synthesis Conditions
The performance of a magnetic composite sorbent consisting of magnetic nanoparticles and carbon nanotubes (CNTs) in sorption of toxic metal ions [Be(II), Bi(III), Cd(II), Cr(III)] was studied in relation to th...
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Article
Magnetic Sorbent Based on Magnetite and Modified Carbon Nanotubes for Extraction of Some Toxic Elements
Magnetic sorbent MNP@CNT was synthesized on the basis of magnetic nanoparticles of magnetite (MNPs) and carbon nanotubes (CNTs). The sorbent was studied in extraction of toxic elements from aqueous media and i...
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Article
Microstructural investigations of sorption layers in mass-sensitive sensors for the detection of nitrogen-containing compounds
The influence of the nature of sorption phases on the microweighing parameters of volatile organic compounds sorbed from gases and vapors is investigated using microstructural methods. The mechanism of interac...
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Article
Study of correlations between the physicochemical properties of carbon nanotubes and the type of catalyst used for their synthesis
It is found that carbon nanotubes (CNTs) obtained by the catalytic pyrolysis of ethanol vapor with Ni-, Co-, and Fe catalysts vary in their ability to oxidative modification and, finally, in adsorption capacity, ...
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Article
Quartz crystal microbalance determination of vapors of volatile organic compounds on carbon nanotubes under batch conditions
Specific features of the sorption of vapors of monoatomic aliphatic alcohols and aromatic compounds on coatings formed from carbon nanotubes of various genesis studied by the method of piezoelectric micro weig...
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Article
Broadening of linear dynamic range of photoelectric registration of emission spectra
A method for broadening the linear dynamic range of measurements (LDRM) for a developed photoelectron system of registering emission spectra using series of charge-coupled devices (CCDs) was suggested. The met...
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Article
Laser-induced fluorescence monitoring of the gas phase in a glow discharge during reactive sputtering of vanadium
Processes in the gas phase of a glow discharge during diode and magnetron reactive sputtering of vanadium in an Ar–O2 atmosphere have been investigated by laser-induced fluorescence (LIF) as a function of the par...
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Article
Adsorption properties of carbon nanotubes depending on the temperature of their synthesis and subsequent treatment
A correlation between the temperature of the synthesis of carbon nanotubes (CNT) by method of catalytic pyrolysis from ethanol on a nickel catalyst and their ability for the modification of oxidation under variou...
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Article
Study of carbon nanomaterials as potential sorbents to concentrate admixtures in the atomic spectroscopy analysis methods
Carbon nanomaterials (CNM) obtained by the catalytic pyrolysis of ethanol vapors are characterized with respect to their morphology, chemical purity, and sorption capacity. The efficacy of their usage to conce...
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Article
Gaseous phase monitoring during reactive sputtering of yttrium in glow discharges
The emission and fluorescence spectra at wavelengths of 580–650 nm during sputtering of yttrium, zirconium, and their alloys are studied for the purpose of develo** spectroscopic methods for monitoring the c...
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Article
Analytical Russian-German-Ukrainian symposium (ARGUS): History and main results of cooperation
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Article
State-of-the-art in analytical characterization of high purity solid samples by different spectroscopic methods
Facilities and some results of several spectroscopic methods which have potential applications in the field of analysis of solid high purity substances and which have been elaborated in Russia, will be discuss...
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Article
Determination of Mercury by Nondispersive Atomic Fluorescence Spectrometry
A nondispersive atomic fluorescence spectrometer for the determination of mercury by the cold-vapor technique has been developed. The conditions for mercury vapor generation in a hydride generator (the concent...
