potash
Sign in to savethumb|Polycrystalline potash, with a penny (United States coin)|U.S. penny for reference. (The coin is in diameter and copper in color.)
Article
28 sectionsContents
- Terminology
- History
- Origin of potash ore
- Bronze Age
- 14th–17th century
- Potash mining
- Wood-derived potash
- 18th century
- Kelp ash
- North America
- The first US patent
- 19th century
- Canada
- 20th century industrialization
- Mining
- Shaft mining and strip mining
- Dissolution mining and evaporation methods
- Production
- Occupational hazards
- Use
- Fertilizers
- Pricing
- Other uses
- Substitutes
- See also
- References
- Further reading
- External links
thumb|Polycrystalline potash, with a penny (United States coin)|U.S. penny for reference. (The coin is in diameter and copper in color.)
Potash ( ) are mined and manufactured salts that contain potassium in water-soluble form. The term potash derives from pot ash, either plant ashes or wood ashes that were soaked in water in a pot, which was the primary means of manufacturing potash before the Industrial Era; the word potassium derives from the term potash.