Potassium hydrodisilicate is an inorganic compound, an acid salt of potassium and dicremic acid with the formula KHSi 2 O 5 , colorless crystals, it dissolves in water.
| Potassium Hydrodisilicate | |
|---|---|
| General | |
| Systematic name | Potassium Hydrodisilicate |
| Traditional names | Potassium silicate, sour |
| Chem. formula | KHSi 2 O 5 |
| Physical properties | |
| condition | colorless crystals |
| Molar mass | 176.27 g / mol |
| Density | 2,417 [1] g / cm³ |
| Thermal properties | |
| T. melt. | 515 [1] ° C |
| Chemical properties | |
| Solubility in water | dissolves [2] [3] |
Getting
- Hydrothermal synthesis from caustic potassium and silicon oxide [4] :
Physical Properties
Potassium hydrodisilicate forms colorless crystals of rhombic syngony , space group Pnmb , cell parameters a = 0.815 nm, b = 1.254 nm, c = 0.470 nm, Z = 4 [4] .
It is soluble in water.
Notes
- ↑ 1 2 Handbook of a chemist / Editorial board: Nikolsky B.P. et al. - 3rd ed., rev. - L .: Chemistry, 1971. - T. 2. - 1168 p.
- ↑ US Patent No. 6,155,907 of October 30, 1998. Method of hardening and polishing concrete floors, walls, and the like . Description of the patent on the website of the United States Patent and Trademark Office .
- ↑ Method of hardening and polishing concrete floors, walls, and the like
- ↑ 1 2 DM Millar, JM Garces, D. Hasha, HE Klassen. Layered Silicates: The Protonation Behavior of KHSi 2 O 5 // Expanded Clays and Other Microporous Solids / Occelli, ML, Robson, H .. - Softcover reprint of the original 1st ed .. - Springer, 1992. - P. 187-206 . - ISBN 978-1-4615-3534-8 .