The article “Spectrometric Determination of the Total Concentration of Single-Type Analytes Using Conventional Multidimensional Calibrations”, written by I. V. Vlasova and V. I. Vershinin, was originally published electronically in Springer-Link on 11 February 2022 without Open Access. After publication in volume 77, issue 1, pages 35–42 the authors decided to make the article an Open Access publication. Therefore, the copyright of the article has been changed to © The Author(s) 2021 and the article is forthwith distributed under the terms of a Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/ 4.0/, CC BY), which permits use, duplication, adaptation, distribution and reproduction of a work in any medium or format, as long as you cite the original author(s) and publication source, provide a link to the Creative Commons license, and indicate if changes were made.