Contents

Journal of Analytical Chemistry

Vol. 76, No. 9, 2021

Reviews

Separation and Preconcentration Methods for the Determination of Highly Toxic Organic Compounds (Poisons)

M. A. Leninskii, M. D. Shachneva, E. I. Savel’eva and N. L. Koryagina p. 1029  abstract

Effect of Modifiers on the Electrophoretic Separation and Intercapillary Preconcentration of Biologically Active Compounds

A. V. Kravchenko and L. A. Kartsova p. 1043  abstract

Articles

Comparison of the Analytical Capabilities of Different Chromatomembrane Gas Extraction Techniques

O. V. Rodinkov, A. S. Bugaichenko and L. N. Moskvin p. 1051  abstract

Microemulsion Preconcentration of Steroid Hormones from Aqueous Solutions and Urine Samples

L. A. Kartsova, S. A. Solov’eva and E. A. Bessonova p. 1058  abstract

Micellar Extraction of Active Components from Spices and Evaluation of the Ce(IV)-Based Reducing Capacity of the Extracts

G. K. Ziyatdinova and H. C. Budnikov p. 1065  abstract

Assessment of the Concentrations of Isoflavonoids in Red Clover (Trifolium pratense L.) of the Fabaceae Family Using Extraction by Different Methods

Z. A. Temerdashev, T. K. Chubukina, E. A. Vinitskaya, M. V. Nagalevskii and N. V. Kiseleva p. 1071  abstract

A Novel Adsorbent for Hydrophilic Chromatography Based on Silica Modified by the Ugi Reaction

N. Yu. Chikurova, A. O. Shemyakina, D. E. Bryskina, V. N. Nuriev, A. A. Komarov, M. A. Statkus, A. N. Stavrianidi and A. V. Chernobrovkina p. 1083  abstract

Separation of 2-Pentanol Racemate on a Chiral Stationary Phase Based on Homochiral NiSO4·6H2O Crystals Obtained under Viedma Ripening

Yu. F. Sharafutdinova, A. Sh. Ganieva and V. Yu. Gus’kov p. 1093  abstract

Field-Flow Fractionation in a Rotating Coiled Column in the Development of Reference Samples of Natural Nanoparticles

M. S. Ermolin, A. I. Ivaneev and P. S. Fedotov p. 1098  abstract

Extractive Freezing-Out with Centrifugation—A New Technology of Sample Preparation in Chemical Analysis on an Example of Organic Bases

V. N. Bekhterev p. 1106  abstract