Contents

Journal of Analytical Chemistry

Vol. 76, No. 5, 2021

Reviews

Gas Chromatography–Mass Spectrometry Analysis of High-Purity Volatile Inorganic Hydrides

A. Yu. Sozin, V. A. Krylov, O. Yu. Chernova, T. G. Sorochkina, A. P. Kotkov, N. D. Grishnova, A. I. Skosyrev and G. V. Pushkarev p. 535  abstract

Articles

Preconcentration of Hydrophilic Organophosphorus Substances on a Hypercarb Adsorbent

E. N. Goncharova, M. A. Statkus and G. I. Tsizin p. 546  abstract

Liquid Phase Microextraction of Chloridazon from Environmental Water and Soil Samples by Supramolecular Solvent-Impregnated TiO2 Coated Polypropylene Hollow Fibers

Fatemeh Shahrezaei, Mohammad Bagher Gholivand and Mojtaba Shamsipur p. 555  abstract

Application of Response Surface Methodology for Pipette-Tip Micro Solid-phase Extraction of Nicotine from Cigarette, Seawater and Human Plasma by a Novel Carbon Nanotube/Zinc Oxide Nanocomposite Sorbent Following its Determination by Spectrophotometry

Sayyed Hossein Hashemi and Nasrin Naruie p. 563  abstract

Identification of Archaeological Wood Species by IR Spectroscopy

V. M. Pozhidaev, Ya. E. Sergeeva, S. N. Malakhov and E. B. Yatsishina p. 573  abstract

A Direct Method for Determining Sulfur in Carbon Materials by Atomic Emission Spectrometry with an Arc Excitation Source

D. O. Antonov, E. G. Silkis and B. K. Zuev p. 578  abstract

DNA-Templated Silver Nanoclusters used as a Label-free Fluorescent Probe for the Detection of O6-methyltransferase Activity

Van-Trong Nguyen, T. T. Nha Tran, Thanh-Khue Van and ThanhThuy Tran p. 585  abstract

Identification of Cationic and Anionic Surfactants by Chromatography–Mass-Spectrometry in the Microextraction–Fluorimetry Screening of Water and Food Products

V. G. Amelin, Z. A. Ch. Shogah and D. S. Bol’shakov p. 592  abstract

Development and Optimization of a Method for Organochlorine Pesticides Determination in Mussels based on Miniaturized Matrix Solid-phase Dispersion Combined with Gas Chromatography–tandem Mass Spectrometry

Nieves Carro, Ángel López, Julio Cobas, Isabel García, María Ignacio and Ana Mouteira p. 603  abstract

A New Approach to the Assessment of the Safety of Tea, Coffee, Cocoa, and Vegetable Oils, Based on the Rapid Screening of Samples for the Total Concentration of Fluorine-, Chlorine-, and Bromine-Containing Organic Compounds

I. A. Revel’skii, M. E. Chivarzin, M. A. Gerasimov, A. V. Frolova, A. M. Dolgonosov, A. V. Skalnyi, A. I. Revel’skii and A. K. Buryak p. 613  abstract

Gas Chromatography–mass Spectrometry Combined with Successive Dilution for the Determination of Preservatives in Pharmaceuticals

Eman Wajeh Ammen, Suhad Al-Salihi and Raghad Al-Salhi p. 621  abstract

A Procedure for Determining Dexketoprofen Trometamol in Human Plasma and Its Validation

A. P. Lakeev, E. A. Yanovskaya, O. S. Bryushinina, Yu. G. Zyuz’kova, G. A. Frelikh, N. Yu. Abdrashitova and V. V. Udut p. 630  abstract

Statistical Evaluation of the Standard Deviation of Chromatographic Retention Time in the Capillary Column Temperature Programming Mode

V. I. Abdrakhmanov, S. A. Dobrotin, O. N. Kosyreva and V. I. Logutov p. 641  abstract

Amperometric Tyrosinase Biosensors Modified by Nanomaterials of Different Nature for Determining Diclofenac

R. M. Beilinson, A. A. Yavisheva, E. P. Medyantseva and H. C. Budnikov p. 653  abstract

Determining Intersecting Ball-point ink Strokes with Different Aging

Paula Querol Sabater, Oscar Díaz Santana and Daura Vega Moreno p. 660  abstract

Letter to the Editor

Methodological Aspects of Analytical Chemistry

Freddy Adams and Mieke Adriaens p. 671  abstract