Contents

Journal of Analytical Chemistry

Vol. 76, No. 11, 2021

Reviews

Mathematical Modelling in Analytical Chromatography: Problems and Solutions

A. M. Dolgonosov, A. G. Prudkovskii, E. A. Zaitseva, N. K. Kolotilina and A. A. Dolgonosov p. 1233  abstract

Articles

Heparin Gold Nanoparticles as a Colorimetric Probe for Cardiac Troponin I Detection

Vidya Raj and Saji Alex p. 1245  abstract

Catalyst-free Chemisorption-based Spectrophotometric Technique for Analysis of Toxic Acidic Vapors of Solid Propellant Exhaust

Selvakumar Subramanian and B. Munirathinam p. 1252  abstract

Determination of Solifenacin Succinate in Pure and Pharmaceutical Dosage forms by Spectrophotometry

Roopa Kothathi Papanna, Basavaiah Kanakapura, Shankara Bujuvally Shivaiah Gowda, Mahesh Basavaraju and Veena Keregodu Puttegowda p. 1262  abstract

Determination of the Composition of Glasses Produced at the Lava Factories by X-Ray Fluorescence Spectrometry and Optical Spectroscopy

A. A. Drozdov, M. N. Andreev, D. S. Ratnikov and P. V. Evdokimov p. 1271  abstract

Ion Mobility Spectrometry of Imidazole and Possibilities of Its Determination

D. A. Aleksandrova, T. B. Melamed, E. P. Baberkina, A. E. Kovalenko, Vl. Vit. Kuznetsov, Vit. Vl. Kuznetsov, A. A. Fenin, Yu. R. Shaltaeva and V. V. Belyakov p. 1282  abstract

Study of Sorption Properties of Acrylamide-Based Polymer Hydrogels by Spectral Methods of Analysis

Ya. I. Simakina, T. G. Kuz’mina and V. G. Senin p. 1290  abstract

Green Sample Preparation based on Directly Suspended Droplet Microextraction using Deep Eutectic Solvent for Ultra-trace Quantification of Nitroaromatic Explosives by High Performance Liquid Chromatography

Sahar Moazzen, Ali Reza Zarei and Kobra Mardi p. 1296  abstract

Determination of Ketosteroids in Human Urine Using Dispersive Liquid-Liquid Microextraction and Ultra High-Performance Liquid Chromatography-High Resolution Mass Spectrometry

E. V. Dmitrieva, A. Z. Temerdashev and A. K. Osipova p. 1305  abstract

A New Derivatizing Agent for Determining Nitrofuran Metabolites in Chicken Eggs by High-Performance Liquid Chromatography–Tandem Mass Spectrometry

A. O. Melekhin, V. V. Tolmacheva, E. G. Shubina, S. G. Dmitrienko, V. V. Apyari, A. I. Grudev and Yu. A. Zolotov p. 1312  abstract

A Chiral Stationary Phase Based on Guanine Conglomerates Obtained under Viedma Ripening Conditions

N. I. Sairanova and Yu. Yu. Gainullina p. 1321  abstract

Development and Validation of LC-ESI-MS/MS Method for the Determination of Alfuzosin in Human Plasma

Moustapha E. Moustapha, Rania M. El Gamal and Mehnaz Kamal p. 1327  abstract

Determination of Indicator Congeners of Polychlorinated Biphenyls in Water at Ultratrace Levels by Gas Chromatography–Tandem Mass Spectrometry

O. V. Kustova, A. S. Stepanov and A. G. Gorshkov p. 1336  abstract

A Sensor for the Recognition and Determination of Tryptophan Enantiomers Based on Carbon-Paste Electrode Modified by Enantiomorphic Crystals of Bromotriphenylmethane

Yu. A. Yarkaeva, E. N. Islamuratova, L. R. Zagitova, V. Yu. Gus’kov, R. A. Zil’berg and V. N. Maistrenko p. 1345  abstract

Errata

Erratum to: Enhancement Effect of Cetyltrimethylammonium Bromide on Electrochemical Determination of Chlorophenols using a Carbon Paste Electrode

Arsim Maloku, Liridon Berisha, Granit Jashari, Tahir Arbneshi and Kurt Kalcher p. 1355  abstract