Contents

Petroleum Chemistry

Vol. 64, No. 5, 2024

Distribution Patterns of the Main Structural-Group Parameters of Crude Oils from the Timan–Pechora Oil-and-Gas Basin, According to 1Н NMR Data

M. B. Smirnov, and N. A. Vanyukova p. 511  abstract

An EPR Study of the Effect of Thermochemical Processes on the Transformations of the Organic Matter and Mineral Matrix of a Bituminous Rock

G. P. Kayukova, N. M. Khasanova, A. N. Mikhailova, Z. R. Nasyrova, and A. V. Vakhin p. 523  abstract

Effect of Ultrasonic Treatment on the Properties and Composition of High-Wax Crude Oil and Its Precipitates

G. I. Volkova, D. A. Zubarev, and P. B. Kadychagov p. 540  abstract

Effect of Wave Treatment on the Antioxidant Activity of Resins and Asphaltenes of Heavy High-Viscosity Crude Oil

Yu. V. Loskutova, N. V. Sizova, and N. V. Yudina p. 548  abstract

Effect of Hydrothermal Treatment and Prolonged Extraction on the Generation of Hydrocarbons from High-Carbon Low-Permeability Rocks from Domanik Deposits

A. N. Mikhailova, and G. P. Kayukova p. 557  abstract

Molecular Basis of Asphaltene Stability

E. S. Okhotnikova, Yu. M. Ganeeva, E. E. Barskaya, G. R. Fazylzyanova, T. N. Yusupova, V. I. Morozov, and D. S. Ivanov p. 570  abstract

A New Method for Monitoring the Stability of Asphaltene-Containing Disperse Systems

A. V. Kosach, M. N. Kravchenko, V. K. Korolev, E. A. Novikov, I. N. Grishina, and R. Z. Safieva p. 580  abstract

Structural Transformations of Heavy Oil Asphaltenes in the Course of Heat Treatment (Communication 2)

T. V. Cheshkova, A. A. Grinko, R. S. Min, and T. A. Sagachenko p. 588  abstract

Geochemistry of Biomarkers and Asphaltenes of Precambrian Organic Matter in the Aldan–Maya Depression (Siberian Platform)

I. D. Timoshina, L. S. Borisova, and V. R. Livshits p. 595  abstract

Oil Deposits in Highly Paraffinic Crude Oils and in Model System

N. V. Yudina, and Yu. V. Loskutova p. 604  abstract

Functionalized Ionic Liquids as Asphaltene Dispersants: A Comparison between Aliphatic and Aromatic Cations

Edris Mardani, Babak Mokhtari, Bahram Soltani Soulgani, and Shirin Baghersaei p. 613  abstract

A Simple Method to Determine Low Metal Concentrations in Naphtha by Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)

Ahmed Shawki Ali, Ashraf M. Ashmawy, Hazem F. Khalil, and Elsayed M. Elnaggar p. 623  abstract