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potassium sulfate

noun

, Chemistry.
  1. a crystalline, water-soluble solid, K 2 SO 4 , used chiefly in the manufacture of fertilizers, alums, and mineral water, and as a reagent in analytical chemistry.


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Word History and Origins

Origin of potassium sulfate1

First recorded in 1880–85
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Example Sentences

It should be filtered when not clear or when crystals of ammonium or potassium sulfate are formed.

It contains a lot of extra alumina, but after roasting in a kiln the potassium sulfate can be leached out.

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potassium phosphatepotassium sulphate