Introduction:
Potassium sulfate (CAS 7778-80-5) is an inorganic sulfate salt, also known as arcanite, with the molecular formula K?SO?. It is a white crystalline solid, odorless and bitter-tasting, with good stability under normal conditions. This product is highly soluble in water but insoluble in alcohol, and its solutions are neutral.
Application:
As a key potassium and sulfur source, it is widely used in agriculture as a high-quality chlorine-free potash fertilizer, suitable for various crops especially chlorine-sensitive plants such as tobacco, grapes, fruit trees and vegetables, helping to improve crop yield and quality. In industry, it serves as a raw material in glass manufacturing as a clarifying agent and flux, and is also used in the production of dyes, perfumes, pharmaceuticals, and other potassium salts. In the food and pharmaceutical fields, it is applied as a food additive for flavoring and nutritional fortification, and as a raw material for laxatives and potassium supplements in medicine. Additionally, it is used as an analytical reagent in chemical analysis, an additive in electroplating processes, and an auxiliary agent in leather tanning.
| Specification | Standard | Test Result |
| Assay | 99%min | 99.2% |
| Insoluble matter in water | 0.5%max | 0.3% |
| Iron | 0.02%max | 0.005% |
| Heavy Metal | 0.002%max | 0.001% |
| Chlorides | 0.05%max | 0.03% |
| PH Value | 6-8 | 7.1 |
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