Potassium Sulfate (SOP)

Potassium Sulfate (SOP) is specified by its material basis (K2O + S), commercial form (granules / prills) and intended application. Compare water-soluble K2O; declared Ca / Mg / S basis; chloride content before agreeing a grade. A family name or photograph is not a substitute for the batch analysis and destination-specific acceptance limits. Potassium Sulfate (SOP) — Potash and potassium fertilizers. Declare nutrient basis, chemical form, solubility and applicable destination registration. N-P-K grades use N, P2O5 and K2O; oxide reporting is not elemental P or K.

Product-specific COA, SDS where applicable, origin, inspection, packaging and transport documentation; issued for the agreed grade and lot. Parameters to agree: water-soluble K2O; declared Ca / Mg / S basis; chloride content.