Contents

Journal of Analytical Chemistry

Vol. 77, No. 7, 2022

Reviews

Volatile Organic Compounds in Exhaled Breath as Biomarkers of Lung Cancer: Advances and Potential Problems

E. M. Gashimova, A. Z. Temerdashev, V. A. Porkhanov, I. S. Polyakov and D. V. Perunov p. 785  abstract

Amino Alcohols: Chromatographic Methods for the Determination of Derivatives of Nitrogen-Containing Toxic Chemicals

S. S. Aleksenko, I. V. Novikova, R. I. Novikov, Zh. V. Smirnova and V. B. Kondrat’ev p. 811  abstract

Selection of Suitable Methods for the Detection of Microplastics in the Environment

Veronika Prepilková, Juraj Poništ, Marián Schwarz and Dagmara Bednárová p. 830  abstract

Articles

Multiple Optimization for Extraction of Ethinylestradiol, Levonorgestrel, and Their Main Impurities using Mixture Design

Fernando Antunes da Silva, Felipe Rebello Lourenço and Leandro Augusto Calixto p. 844  abstract

Using a Smartphone in the Identification and Classification of Natural Mineral Waters by Color Measurements of Indicator Papers

V. G. Amelin and Z. A. Ch. Shogah p. 853  abstract

A Derivative Spectrophotometric Method for the Simultaneous Determination of Cadmium and Cobalt in Environmental and Standard Samples

Sonia Ratnani, Vinay Kumar Singh and Narinder Kumar Agnihotri p. 860  abstract

Factors Affecting the Determination of Fluorine in Rocks by X-Ray Fluorescence Spectrometry Using Pressed Pellets

T. G. Kuzmina, M. A. Troneva and T. V. Romashova p. 874  abstract

Sensing of Pyrophosphate Anion by a Fluorescent Zn(II) Complex Bearing Acenaphthene Imidazole Moiety

Venkatachalam Kavitha, Krishnamoorthy Chitra, Asaithambi Gomathi, Rajasekaran Dhivya and Periasamy Viswanathamurthi p. 882  abstract

A New Approach to Sampling Petroleum Product Films from Water Surfaces and Their Subsequent Analysis by Gas Chromatography–Mass Spectrometry

E. D. Gribova, B. K. Zuev and N. A. Polotnyanko p. 893  abstract

Selectivity Map of Stationary Phases: A Graphical Method for Systematizing and Searching for Conditions for the Gas Chromatographic Separation of Polar Substances

E. A. Zaitceva and A. M. Dolgonosov p. 898  abstract

Investigation of Fragments of Lacquer Pieces from Archaeological Sites of the Orgoyton Burial Ground (Transbaikalia) Using Pyrolytic Gas Chromatography–Mass Spectrometry

K. B. Kalinina, N. N. Nikolaev, M. V. Michri and A. I. Revelsky p. 907  abstract

A Novel Magnetic Polyethylene Glycol Nanocomposite based on Graphite Reinforcement Carbon Paste Electrode for Voltammetric Determination of Perindopril L-arginine

Asmaa M. Abdel Rahim and Esraa M.M. Mahmoud p. 914  abstract