Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations
Powders with a phase composition including syngenite (K<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O) and/or calcium sulfate dihydrate (gypsum, CaSO<sub>4</sub>·2H<sub>2</sub>O) were synthesized from the powder of ca...
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MDPI AG
2024-10-01
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| Series: | Compounds |
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| Online Access: | https://www.mdpi.com/2673-6918/4/4/39 |
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| author | 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 Irina V. Kolesnik Maksim R. Kaimonov Olga T. Gavlina Muslim R. Akhmedov |
| author_facet | 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 Irina V. Kolesnik Maksim R. Kaimonov Olga T. Gavlina Muslim R. Akhmedov |
| author_sort | Tatiana V. Safronova |
| collection | DOAJ |
| description | Powders with a phase composition including syngenite (K<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O) and/or calcium sulfate dihydrate (gypsum, CaSO<sub>4</sub>·2H<sub>2</sub>O) were synthesized from the powder of calcium carbonate (CaCO<sub>3</sub>) and water solutions of potassium hydrosulfate (KHSO<sub>4</sub>) of various concentrations (0.5 M, 1 M, and 2 M). A molar ratio of starting salts, KHSO<sub>4</sub>/CaCO<sub>3</sub> = 2, was used to provide the formation of syngenite (K<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O). But when using a 0.5 M water solution of potassium hydrosulfate (KHSO<sub>4</sub>), the phase composition of the synthesized powder was presented by calcium sulfate dihydrate (gypsum, CaSO<sub>4</sub>·2H<sub>2</sub>O). When using 1 M and 2 M water solutions of potassium hydrosulfate (KHSO<sub>4</sub>), the syngenite (K<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O) was found as the predominant phase in synthesized powders. According to estimations made from thermal analysis data, powders synthesized using 1.0 M and 2.0 M water solutions of potassium hydrosulfate (KHSO<sub>4</sub>) contained no more than 7.9 and 1.9 mass % of calcium sulfate dihydrate (gypsum, CaSO<sub>4</sub>·2H<sub>2</sub>O), respectively. The phase composition of products isolated from mother liquors via water evaporation consisted of syngenite (K<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O) and potassium sulfate (arcanite, K<sub>2</sub>SO<sub>4</sub>). Synthesized powders can be used in preparation of biocompatible bioresorbable materials with phase compositions in the K<sub>2</sub>O-CaO-SO<sub>3</sub>-H<sub>2</sub>O system; as matrix of thermo- or photo-luminescent materials; as components reducing the setting time and increasing the strength of sulfate cements; in the fertilizing industry; and also as components of Martian regolith simulants. |
| format | Article |
| id | doaj-art-66e455ffc3f74d39b4adb70617ac8a9d |
| institution | Kabale University |
| issn | 2673-6918 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Compounds |
| spelling | doaj-art-66e455ffc3f74d39b4adb70617ac8a9d2024-12-27T14:18:53ZengMDPI AGCompounds2673-69182024-10-014465066310.3390/compounds4040039Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various ConcentrationsTatiana V. Safronova0Peter D. Laptin1Alexandra I. Zybina2Xiaoling Liao3Tatiana B. Shatalova4Olga V. Boytsova5Dinara R. Khayrutdinova6Marat M. Akhmedov7Zichen Xu8Irina V. Kolesnik9Maksim R. Kaimonov10Olga T. Gavlina11Muslim R. Akhmedov12Department of Chemistry, Lomonosov Moscow State University, Building, 3, Leninskie Gory, 1, 119991 Moscow, RussiaDepartment of Materials Science, Lomonosov Moscow State University, Building, 73, Leninskie Gory, 1, 119991 Moscow, RussiaDepartment of Materials Science, Lomonosov Moscow State University, Building, 73, Leninskie Gory, 1, 119991 Moscow, RussiaChongqing Key Laboratory of Nanomaterials and Devices, Chongqing University of Science and Technology (CQUST), Chongqing 401331, ChinaDepartment of Chemistry, Lomonosov Moscow State University, Building, 3, Leninskie Gory, 1, 119991 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, Building, 3, Leninskie Gory, 1, 119991 Moscow, RussiaBaykov Metallurgy and Materials Institute, Leninskii Prosp., 49, 119334 Moscow, RussiaDepartment of Chemistry and Technology of Polymer Materials and Nanocomposites, Kosygin Russian State University, Malaya Kaluzhskaya 1, 119071 Moscow, RussiaChongqing Key Laboratory of Nanomaterials and Devices, Chongqing University of Science and Technology (CQUST), Chongqing 401331, ChinaDepartment of Chemistry, Lomonosov Moscow State University, Building, 3, Leninskie Gory, 1, 119991 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, Building, 3, Leninskie Gory, 1, 119991 Moscow, RussiaDepartment of Chemistry, Lomonosov Moscow State University, Building, 3, Leninskie Gory, 1, 119991 Moscow, RussiaDepartment of Space Research, Lomonosov Moscow State University, Building, 52, Leninskie Gory, 1, 119991 Moscow, RussiaPowders with a phase composition including syngenite (K<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O) and/or calcium sulfate dihydrate (gypsum, CaSO<sub>4</sub>·2H<sub>2</sub>O) were synthesized from the powder of calcium carbonate (CaCO<sub>3</sub>) and water solutions of potassium hydrosulfate (KHSO<sub>4</sub>) of various concentrations (0.5 M, 1 M, and 2 M). A molar ratio of starting salts, KHSO<sub>4</sub>/CaCO<sub>3</sub> = 2, was used to provide the formation of syngenite (K<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O). But when using a 0.5 M water solution of potassium hydrosulfate (KHSO<sub>4</sub>), the phase composition of the synthesized powder was presented by calcium sulfate dihydrate (gypsum, CaSO<sub>4</sub>·2H<sub>2</sub>O). When using 1 M and 2 M water solutions of potassium hydrosulfate (KHSO<sub>4</sub>), the syngenite (K<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O) was found as the predominant phase in synthesized powders. According to estimations made from thermal analysis data, powders synthesized using 1.0 M and 2.0 M water solutions of potassium hydrosulfate (KHSO<sub>4</sub>) contained no more than 7.9 and 1.9 mass % of calcium sulfate dihydrate (gypsum, CaSO<sub>4</sub>·2H<sub>2</sub>O), respectively. The phase composition of products isolated from mother liquors via water evaporation consisted of syngenite (K<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>·H<sub>2</sub>O) and potassium sulfate (arcanite, K<sub>2</sub>SO<sub>4</sub>). Synthesized powders can be used in preparation of biocompatible bioresorbable materials with phase compositions in the K<sub>2</sub>O-CaO-SO<sub>3</sub>-H<sub>2</sub>O system; as matrix of thermo- or photo-luminescent materials; as components reducing the setting time and increasing the strength of sulfate cements; in the fertilizing industry; and also as components of Martian regolith simulants.https://www.mdpi.com/2673-6918/4/4/39potassium hydrosulfatecalcium carbonateheterophase synthesissyngenitegypsumarcanite |
| spellingShingle | 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 Irina V. Kolesnik Maksim R. Kaimonov Olga T. Gavlina Muslim R. Akhmedov Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations Compounds potassium hydrosulfate calcium carbonate heterophase synthesis syngenite gypsum arcanite |
| title | Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations |
| title_full | Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations |
| title_fullStr | Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations |
| title_full_unstemmed | Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations |
| title_short | Powders Synthesized from Calcium Carbonate and Water Solutions of Potassium Hydrosulfate of Various Concentrations |
| title_sort | powders synthesized from calcium carbonate and water solutions of potassium hydrosulfate of various concentrations |
| topic | potassium hydrosulfate calcium carbonate heterophase synthesis syngenite gypsum arcanite |
| url | https://www.mdpi.com/2673-6918/4/4/39 |
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