Inorganic acids and salts
- Potassium pyrophosphate (K4P2O7)-Powder
- Potassium dihydrogen phosphate (KH2PO4)-Powder
- Potassium tetraborate tetrahydrate (K2B4O7•4H2O)-Powder
- Potassium tin(IV) oxide trihydrate (K2SnO3•3H2O)-Crystalline
- Potassium Tantalate (Potassium Tantalum Oxide) (KTaO3)-Powder
- Potassium selenite (K2SeO3)-Powder
- Potassium selenate (K2SeO4)-Powder
- Potassium silicate (K2O:SiO2 1:2.5 wt%)-Powder
- Potassium Perrhenate (KReO4)-Powder
- Potassium metavanadate (KVO3)-Powder