Protolytic Properties of Water-Soluble Magnesium 5,10,15,20-Tetra(1-methylpyridin-1-ium-4-yl)porphyrinate Tetraperchlorate MgTMPyP 4

G. K. Ovsepyan; A. G. Kudrev; G. I. Shumilova; A. A. Starikova; A. S. Semeikin; A. A. Pendin

doi:10.1134/S1070363217120295

Protolytic Properties of Water-Soluble Magnesium 5,10,15,20-Tetra(1-methylpyridin-1-ium-4-yl)porphyrinate Tetraperchlorate MgTMPyP₄

Authors: Ovsepyan G.K.¹, Kudrev A.G.¹, Shumilova G.I.¹, Starikova A.A.¹, Semeikin A.S.², Pendin A.A.¹
Affiliations:
1. St. Petersburg State University
2. Ivanovo Chemical-Engineering State University
Issue: Vol 87, No 12 (2017)
Pages: 2906-2908
Section: Letters to the Editor
URL: https://journals.rcsi.science/1070-3632/article/view/221741
DOI: https://doi.org/10.1134/S1070363217120295
ID: 221741

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Abstract

Protolytic properties of porphyrin complexes with Mg, analogs of the natural porphyrin chlorophyll, were investigated by the UV spectroscopy method with simultaneous potentiometric determination of pH of the medium with the aim to detect metalloporphyrin forms arising in a solution with changing its acidity. To consider interconversions in solutions, MCR-ALS soft modelling based on the chemometric analysis of spectrometric data was applied.