Potassium fertilizer simple identification method

Potassium fertilizer simple identification method

(1) Imported potassium chloride is an old, red, smooth granule; red, non-smooth, angular pieces are red bricks. (2) Water-soluble potassium chloride is imported; water-insoluble red bricks are red bricks and other impurities. (3) The imported potassium chloride is very hard and not easy to break; while the red brick is very brittle, and it will crack when lightly tapped. (4) On charred charcoal, the cracking sounds are potassium chloride and potassium sulfate; melting occurs, no cracking sound is sodium chloride, and no reaction is red brick. China Agricultural Network Editor