| Issue |
E3S Web Conf.
Volume 376, 2023
International Scientific and Practical Conference “Environmental Risks and Safety in Mechanical Engineering” (ERSME-2023)
|
|
|---|---|---|
| Article Number | 01080 | |
| Number of page(s) | 6 | |
| Section | I Environmental Risks and Safety in Mechanical Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202337601080 | |
| Published online | 31 March 2023 | |
Synthesis and colloidal-chemical properties of manganese dioxide hydrosols synthesized in the presence of sodium thiosulfate
Dmitri Ivanovich Mendeleev University of Chemical Technology of Russia, 9, Miusskaya square, 125047 Moscow, Russia
* Corresponding author: aungthu9197@gmail.com
In this paper, the possibility of obtaining manganese dioxide hydrosols by condensation in the presence of sodium thiosulfate is considered. The main properties of hydrosols, including particle size and shape, phase composition, electrophoretic mobility, and the pH range of the dispersion medium in which sols are aggregatively stable, are determined. The sol coagulation thresholds in the presence of potassium chloride, sodium sulfate, and potassium sulfate were determined. It was found that the hydrosols coagulation is reversible. The nature of the aggregative stability of obtained manganese dioxide sols is discussed.
© The Authors, published by EDP Sciences, 2023
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