potassium sulfate

  1. a crystalline, water-soluble solid, K2SO4, used chiefly in the manufacture of fertilizers, alums, and mineral water, and as a reagent in analytical chemistry.

Origin of potassium sulfate

First recorded in 1880–85

Words Nearby potassium sulfate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use potassium sulfate in a sentence

  • 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.

    Creative Chemistry | Edwin E. Slosson