HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → Orthosilicic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Oxygen | HCID 977 | — |
| Reactant | Silicic acid (H2SiO3), potassium salt (1:2) | HCID 66200 | — |
| Reactant | Potassium bisulfate | HCID 516920 | — |
| Product | Orthosilicic acid | HCID 14942 | — |
| Product | Potassium Sulfate | HCID 24507 | — |
Reaction Steps
About equal parts by weight of a dry potassium metasilicate, containing less than 6 mols of water per mol of potassium metasilicate, and potassium hydrogen sulfate are mixed. The mixture is agitated at ambient pressure, and the chemical reaction causes oxygen to evolve in 1 to 3 minutes; considerable heat is produced, and the chemical reaction is complete in 1 to 2 hours, thereby producing white granules of a silicic acid compound and potassium sulfate. The mixture is washed with water and filtered to remove the salt. The silicic acid compound is air dried at 25° to 75° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04139549 |
| Source dataset | uspto-grants-1979_02 |
| ORD ID | ord-21eeed6f79d94231a233753996d84871 |
| Source note | uspto-grants-1979_02 |