Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations

Tatiana V. Safronova; Peter D. Laptin; Alexandra I. Zybina; Xiaoling Liao; Tatiana B. Shatalova; Olga V. Boytsova; Dinara R. Khayrutdinova; Marat M. Akhmedov; Zichen Xu; Muslim R. Akhmedov

doi:10.20944/preprints202408.1485.v1

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preprints.org > chemistry and materials science > materials science and technology > doi: 10.20944/preprints202408.1485.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations

^* ,

Dinara R. Khayrutdinova

Marat M. Akhmedov

Zichen Xu

Muslim R. Akhmedov

Version 1 : Received: 19 August 2024 / Approved: 20 August 2024 / Online: 22 August 2024 (03:10:05 CEST)

How to cite: Safronova, T. V.; Laptin, P. D.; Zybina, A. I.; Liao, X.; Shatalova, T. B.; Boytsova, O. V.; Khayrutdinova, D. R.; Akhmedov, M. M.; Xu, Z.; Akhmedov, M. R. Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations. Preprints 2024, 2024081485. https://doi.org/10.20944/preprints202408.1485.v1 Safronova, T. V.; Laptin, P. D.; Zybina, A. I.; Liao, X.; Shatalova, T. B.; Boytsova, O. V.; Khayrutdinova, D. R.; Akhmedov, M. M.; Xu, Z.; Akhmedov, M. R. Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations. Preprints 2024, 2024081485. https://doi.org/10.20944/preprints202408.1485.v1

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MDPI and ACS Style

Safronova, T. V.; Laptin, P. D.; Zybina, A. I.; Liao, X.; Shatalova, T. B.; Boytsova, O. V.; Khayrutdinova, D. R.; Akhmedov, M. M.; Xu, Z.; Akhmedov, M. R. Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations. Preprints 2024, 2024081485. https://doi.org/10.20944/preprints202408.1485.v1

APA Style

Safronova, T. V., Laptin, P. D., Zybina, A. I., Liao, X., Shatalova, T. B., Boytsova, O. V., Khayrutdinova, D. R., Akhmedov, M. M., Xu, Z., & Akhmedov, M. R. (2024). Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations. Preprints. https://doi.org/10.20944/preprints202408.1485.v1

Chicago/Turabian Style

Safronova, T. V., Zichen Xu and Muslim R. Akhmedov. 2024 "Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations" Preprints. https://doi.org/10.20944/preprints202408.1485.v1

Abstract

Powders with phase composition including syngenite K2Ca(SO4)2·H2O and/or calcium sulfate di-hydrate (gypsum) CaSO4·2H2O were synthesized from powder of calcium carbonate CaCO3 and water solutions of potassium hydrosulfate KHSO4 of various (0.5M, 1M and 2M) concentrations. Molar ratio of starting salt KHSO4/CaCO3=2 were used to provide formation of syngenite K2Ca(SO4)2·H2O. But when using 0.5M water solution of potassium hydrosulfate KHSO4 the phase composition of synthesized powder was presented by calcium sulfate dihydrate (gypsum) CaSO4·2H2O. When using 1M and 2M water solution of potassium hydrosulfate KHSO4 the syn-genite K2Ca(SO4)2·H2O was found as predominant phase in synthesized powders. According es-timations made from thermal analysis data when 1.0M and 2.0M water solutions of potassium hydrosulfate KHSO4 were used the content of calcium sulfate dihydrate (gypsum) CaSO4·2H2O in these powders were not higher then as 7.9 and 1.9 % respectively. Phase composition of products isolated from mother liquors via water evaporation consisted of syngenite K2Ca(SO4)2·H2O and potassium sulfate (arcanite) K2SO4. Synthesized powders can be used in preparation of biocom-patible bioresorbable materials with phase composition in the K2O‑CaO‑SO3‑H2O system; as matrix of thermo- or photo-luminescent materials; as components reducing the setting time and increasing strength of sulfate cements; in the fertilizing industry and also as a components of Martian regolith simulant.

Keywords

potassium hydrosulfate; calcium carbonate; heterophase synthesis; syngenite; gypsum; arcanite

Subject

Chemistry and Materials Science, Materials Science and Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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