Zhurnal Analiticheskoi Khimii

ISSN (print): 0044-4502

Media registration certificate: No. 0110234 dated 02/09/1993

Founder: Institute of Geochemistry and Analytical Chemistry named after. V.I. Vernadsky RAS, Russian Academy of Sciences

Editor-in-Chief: Kolotov, Vladimir Panteleimonovich

Number of issues per year: 12

Indexation: RISC, list of Higher Attestation Commissions, CrossRef, White List (level 3)

 

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卷 80, 编号 9 (2025)

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REVIEWS

Sorbent materials for preconcentration of platinum group metals
Maksimova V., Maryutina T., Mokhodoeva O.
摘要

Sorption methods, including solid-phase extraction, are widely used for the determination of platinum group metals (PGMs), which is confirmed by a permanently large number of publications. This review is devoted to the description of different types of sorbents developed for the preconcentration and selective recovery of PGMs, and their use in the analysis of geological, natural, and technological samples. Trends in the design materials and physical fields to intensify solid-phase extraction processes for PGMs are discussed. The review considers publications mainly for 2010–2025.

Zhurnal Analiticheskoi Khimii. 2025;80(9):883-903
pages 883-903 views
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Methods of the Investigation and Chemical Analysis of Microplastics and the Determination of Associated Compounds
Ermolin M., Katasonova O., Romanova Y., Dzhenloda R.
摘要

Microplastic emissions to the environment increase every year. Over the past twenty years after the first publication on the study of microplastics, the problem of the global environmental pollution by synthetic materials has been confirmed, its toxicological effect has been proven at all levels of the organization of biosystems, including human health. Spectral, chromatographic, microscopic, and thermal methods of analysis are used to study microplastics. This review considers these groups of methods in the context of their application to the identification of microplastics and the determination of toxic substances associated with them.

Zhurnal Analiticheskoi Khimii. 2025;80(9):904-936
pages 904-936 views
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ORIGINAL ARTICLES

Optimization of Sample Preparation Methods to Improve the Efficiency of Nanoparticle Extraction from Environmental Samples
Brzhezinskiy A., Ermolin M., Karandashev V., Fedotov P.
摘要

The methodological gap in studying environmental nanoparticles is largely due to their low content (typically around 0.01–0.1 %) in ash, dust, or soil, making their isolation and quantitative analysis difficult. This study demonstrates the effectiveness of a new sample preparation method for volcanic ash samples (sequential dispersion in 0.1 M NaCl and 2 mM Na₄P₂O₇) followed by nanoparticle separation using flow field-flow fractionation in a rotating spiral column with 2 mM Na₄P₂O₇ solution as the eluent. The method increases the yield of isolated nanoparticles by an order of magnitude and allows for the detection of elements (such as Be, Cr, Co, Zn, Ag, Sb, Te, Ta, W, Tl, Bi) in volcanic ash nanoparticles at concentrations below the detection limits of ICP-MS when deionized water is used as the eluent. Moreover, it avoids distortions caused by artifacts, such as the formation of poorly soluble calcium phosphates during sample preparation. This methodology could serve as a foundation for systematic studies of ash nanoparticles from various types of volcanoes, as well as urban dust.

Zhurnal Analiticheskoi Khimii. 2025;80(9):937-948
pages 937-948 views
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Determination of papaverine in the form of ion associates with anionic azo dyes using solid-phase extraction on polyurethane foam
Osmanova M., Tikhomirova T., Mirzaeva K.
摘要
The solid-phase extraction of ion associates of acidic azo dyes—sulfonazo and Congo red—with papaverine (1-(3,4-dimethoxybenzyl)-6,7-dimethoxyisoquinoline) on polyurethane foam was studied depending on pH, phase contact time, and component ratios. A method was developed for the determination of papaverine in pharmaceutical preparations, based on its sorption in the form of ion associates with dyes and subsequent detection on the sorbent surface using diffuse reflectance spectroscopy and colorimetry.
Zhurnal Analiticheskoi Khimii. 2025;80(9):949-959
pages 949-959 views
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Effect of the concentration of chemically immobilized mercaptopropyl groups on the surface of silica gel on the sorption-photometric determination of palladium(II) and silver(I) as their complexes with grafted groups and dithizone
Losev V., Zykova A.
摘要
This study examines the effect of the concentration of mercaptopropyl groups chemically immobilized on the surface of silica gel (ranging from 0.18 to 0.76 mmol/g) on the formation and color intensity of Pd(II) complexes with grafted groups, as well as mixed-ligand complexes of palladium(II) and silver(I) with mercaptopropyl groups and dithizone. It was shown that increasing the concentration of immobilized mercaptopropyl groups enhances the color intensity of sorbents containing the same amount of sorbed palladium(II). However, in the case of mixed-ligand complexes with dithizone, increasing the surface concentration of grafted groups leads to a decrease in color intensity. Methods were developed for the sorption-photometric determination of Pd(II) as complexes with grafted groups, and of Pd(II) and Ag(I) as surface mixed-ligand complexes. The study concludes that to achieve low detection limits for metal elements using sorption-photometry in the form of grafted group complexes, the concentration of the grafted groups should be maximized. Conversely, for detection as mixed-ligand complexes with dithizone, the concentration of the grafted groups should be minimized.
Zhurnal Analiticheskoi Khimii. 2025;80(9):960-970
pages 960-970 views
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Determination of endocrine disruptors in bottom sediments using gas chromatography-mass spectrometry with analyte preconcentration by liquid-liquid and magnetic dispersive solid-phase extraction
Gubin A., Sypko K., Kushnir A., Sukhanov P.
摘要
A method is proposed for extracting and concentrating six common endocrine disruptors (dimethyl-, diethyl-, dibutyl phthalates, bisphenol A, octyl- and nonylphenols) from river bottom sediments. The analytes were extracted using a two-stage concentration approach. In the first stage, analytes were extracted from aqueous solution using an ionic liquid – 1-hexyl-3-methylimidazolium hexafluorophosphate – in the presence of a surfactant (sodium dodecylsulfonate). The volumes used were 200 μL of extractant and 0.5 mL of 12 % surfactant solution, with a 2-minute extraction time. In the second stage, magnetic dispersive solid-phase extraction was performed using magnetically active plant-based carbon modified with reverse-phase reagents – n-octyltrimethoxysilane and n-octadecyltrimethoxysilane. The analyte recovery was 91–99 % for liquid-liquid extraction and 89–99 % for magnetic dispersive extraction. Optimal extraction conditions were pH 5.2–7.0, 5 minutes sorption time using centrifugation at 4000 rpm, and 25 mg of sorbent. The two-stage concentration method, combined with gas chromatography-mass spectrometry, enabled detection of endocrine disruptors in bottom sediments at levels of 0.4–0.7 µg/kg.
Zhurnal Analiticheskoi Khimii. 2025;80(9):971-986
pages 971-986 views
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Detection of melittin – a characteristic peptide of bee venom – in soft medicinal forms by high-resolution chromatography-mass spectrometry
Vokuev M., Oprunenko A., Frolova A., Baygildiev T., Rodin I.
摘要
Bee venom, due to its pharmacological and biological activity, is used in the development of medicinal preparations, including ointments and creams. The main component of bee venom is melittin, whose presence in a preparation indicates the inclusion of bee venom. A method is proposed for detecting this characteristic peptide of bee venom in soft medicinal forms, involving extraction and concentration using solid-phase extraction, followed by chromatographic–mass spectrometric detection. The specificity of the detection method was validated; the detection limit was 0.1 μg/g.
Zhurnal Analiticheskoi Khimii. 2025;80(9):987-995
pages 987-995 views
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DETERMINATION OF ANTIBIOTICS IN WASTEWATER USING AMPEROMETRIC SENSORS
Gam P., Tertyshnikova O., Zyablov A., Vybornyi A., Litvinova N.
摘要
Sensors for the amperometric determination of the antibiotics Cefur and Ceftr in aqueous solutions have been developed. The sensor electrodes were coated with molecularly imprinted polymers (MIPs). To evaluate selectivity and recognition capabilities toward target molecules, the imprinting factor and selectivity coefficient were determined. The imprinting factors were 5.3 for MIP-Cefur and 5.1 for MIP-Ceftr. The results showed that MIPs have greater selectivity and target recognition ability compared to non-imprinted polymers. The antibiotics were quantified in aqueous solutions using the calibration curve method. The experimentally determined detection ranges for Cefur and Ceftr were from 1.0 × 10–⁵ to 0.1 g/L. Detection limits were 3.5 × 10–⁶ g/L for Cefur and 6.6 × 10–⁶ g/L for Ceftr. The MIP-modified sensors were successfully tested in wastewater samples. The results demonstrate the feasibility of using amperometric sensors based on MIPs for detecting sodium cefuroxime and sodium ceftriaxone in model and real wastewater systems.
Zhurnal Analiticheskoi Khimii. 2025;80(9):996-1002
pages 996-1002 views
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EVENTS

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Myasoyedov B.
摘要
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Zhurnal Analiticheskoi Khimii. 2025;80(9):1003-1004
pages 1003-1004 views
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