Contents

Moscow University Chemistry Bulletin

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Vol. 76, No. 5, 2021

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Solvent Extraction Systems for Separation of An(III) and Ln(III): Overview of Static and Dynamic Tests

M. V. Evsiunina, P. I. Matveev, S. N. Kalmykov and V. G. Petrov p. 287  abstract

The Sorption of Radionuclides on Clay Minerals—the Components of Engineering Safety Barriers

A. S. Semenkova, O. A. Ilina, V. V. Krupskaya, S. V. Zakusin, O. V. Dorzhieva, B. V. Pokidko, A. Yu. Romanchuk and S. N. Kalmykov p. 316  abstract

Critical Molecular Coordination Numbers in the Structural Class P2₁/c, Z = 4(1)

A. M. Banaru, S. M. Aksenov and D. A. Banaru p. 325  abstract

Electrochemical Biosensor Based on Nanosized Polymer-Enzyme Films Composed of Linear Poly(N,N-Dimethylaminoethyl Methacrylate) and Choline Oxidase

L. V. Sigolaeva, A. Yu. Konyakhina, D. V. Pergushov and I. N. Kurochkin p. 334  abstract

Analysis and Comparison Constituent of the Essential Oil from Three Different Species of Achillea L. in the Northern Slope of Tianshan Mountains

Shiyi Yu, Kai Liao, Shuangshuang Liu, Ying Ma, Yaping Chi, Danyang Guo, Ruoxi Hu, Pengfei Liu and Yun Zhu p. 343  abstract

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