Potassium phosphate
Encyclopedia
Potassium phosphate is a generic term for the salts of potassium
Potassium
Potassium is the chemical element with the symbol K and atomic number 19. Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and is very reactive with water, generating sufficient heat to ignite the hydrogen emitted in the reaction.Potassium and sodium are...

 and phosphate
Phosphate
A phosphate, an inorganic chemical, is a salt of phosphoric acid. In organic chemistry, a phosphate, or organophosphate, is an ester of phosphoric acid. Organic phosphates are important in biochemistry and biogeochemistry or ecology. Inorganic phosphates are mined to obtain phosphorus for use in...

 ions including:
  • Monopotassium phosphate
    Monopotassium phosphate
    Monopotassium phosphate -- 24 -- is a soluble salt which is used as a fertilizer, a food additive and a fungicide. It is a source of phosphorus and potassium. It is also a buffering agent...

     (KH2PO4)
  • Dipotassium phosphate (K2HPO4)
  • Tripotassium phosphate
    Tripotassium phosphate
    Tripotassium phosphate is a water-soluble ionic salt which has the chemical formula K3PO4. It is used as a food additive for its properties as an emulsifier, foaming agent and whipping agent. In combination with fatty acids, it is a potential antimicrobial agent in poultry processing...

     (K3PO4)


As food additives, potassium phosphates have the E number
E number
E numbers are number codes for food additives that have been assessed for use within the European Union . They are commonly found on food labels throughout the European Union. Safety assessment and approval are the responsibility of the European Food Safety Authority...

E340.

The ratio of potassium to phosphate in K-Phos solution is 4.3:3 (K:PO4). The ratio of potassium to phosphate in K-Phos Neutral packets for oral administration is 1:1, 14.25 mEq potassium and 14.25 mmol phosphate per packet.
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