Contents

Moscow University Chemistry Bulletin

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Vol. 77, No. 2, 2022

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Digital Colorimetry in Chemical and Pharmaceutical Analysis

A. A. Chaplenko, O. V. Monogarova, K. V. Oskolok and A. V. Garmay p. 61  abstract

Porous Polymeric Substrates Based on a Styrene–Divinylbenzene Copolymer for Reversed-Phase and Ion Chromatography

A. A. Loshin, A. D. Smolenkov and O. A. Shpigun p. 68  abstract

Adsorption of Oil Substances by Carbon Monolith and Their Subsequent Determination by GC/GC/MS

E. S. Markova, A. V. Pirogov, A. A. Sadovnikova, M. V. Popik and O. A. Shpigun p. 90  abstract

Evaluation of the Matrix Effect and Selection of Reference Samples for the ICP-MS Trace Elements Determination in Geological Samples

I. V. Nikolaeva, S. V. Palesskiy and A. A. Kravchenko p. 94  abstract

Rheology of a Melt of Polydimethylsiloxane: Structural Approach

V. N. Matveenko and E. A. Kirsanov p. 100  abstract

Solvothermal Synthesis of Antimony Trioxide Sb₂O₃ Used as a Photocatalyst for Crystal Violet Dye Degradation

Rachid Makhloufi, Salah Eddine Hachani, Zina Zekri and Walid Tair p. 111  abstract

A Novel Synthesis of Densely Functionalized 3,4-β-Lactam Fused 1,4-Oxazepane via Tandem-7-exo-trig Intramolecular Oxa-Michael Reaction

Armando Paniagua, Ram N. Yadav, Md. Firoj Hossain, Ashok Kumar Srivastava and Bimal K. Banik p. 117  abstract

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