Difference between revisions of "Potassium sulfate"
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Revision as of 14:58, 24 January 2016
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| Names | |
|---|---|
| IUPAC name
Potassium sulfate
| |
| Properties | |
| K2SO4 | |
| Molar mass | 174.259 g/mol |
| Density | 2.66 g/cm3 |
| Melting point | 1,069 °C (1,956 °F; 1,342 K) |
| Boiling point | 1,689 °C (3,072 °F; 1,962 K) |
| 111 g/L (20 °C) 120 g/L (25 °C) 240 g/L (100 °C) | |
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
| Infobox references | |
Potassium sulfate (K2SO4) or potassium sulphate, also known as arcanite, sulphate of potash or potash of sulfur is a soluble potassium salt of sulfuric acid.
Contents
Properties
Chemical
Potassium salt will react with sulfuric acid to form potassium bisulfate.
Physical
Potassium sulfate is a white odorless solid, with a biter taste. It is soluble in water, slightly soluble in glycerol, but insoluble in acetone, carbon disulfide, ethanol.
Availability
Potassium sulfate is available as a fertilizer, either pure or mixed with other materials.
Preparation
Can be prepared by reacting potassium carbonate with sulfuric acid.
Projects
- Make potasium nitrate
Handling
Safety
Potassium sulfate has little toxicity, though it be irritant.
Storage
In closed bottles.
Disposal
Can be safely dumped in soil.
