Sodium carbonate
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Sodium carbonate is the inorganic compound with the formula Na2CO3 and its various hydrates. All forms are white, odorless, water-soluble salts that yield alkaline solutions in water. Historically, it
Sample of sodium carbonate
Potash
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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 w
Sodium carbonate
…plants grown in sodium-rich soils, and because the ashes of these sodium-rich plants were noticeably different from ashes of wood (once used to produce potash), sodium carbonate became known as "soda ash". It is produced in large quantities from sodium chloride and limestone by the Solvay process, as well as…
Polycrystalline potash, with a U.S. penny for reference. (The coin is 19 mm (0.75 in) in diameter and copper in color.)
The very first U.S. patent ever to be issued was for an improvement "in the making of Pot ash and Pearl ash by a new Apparatus and Process"; it was signed by then President George Washington.
A covered hopper car in a Canadian train for shipping potash by rail
Global imports/exports of potash in 1937