potassium sulfate
Noun
Meaning
potassium sulfate (uncountable)
(inorganic chemistry) The potassium salt of sulfuric acid, K2SO4, used as a fertilizer.
Synonyms
Examples
It is now allowed to stand for some time, decanted from any sediment, and finally mixed with the calculated quantity of potassium sulfate, well agitated, and the alum is thrown down as a finely divided precipitate of alum meal.
Other potassium salts can be separated by various procedures, resulting in potassium sulfate and potassium-magnesium sulfate.
The precipitate is then dissolved in sulfuric acid, the requisite amount of potassium sulfate added and the solution allowed to crystallize.