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Potassium Citrate


Potassium citrate is used as buffer, chelate agent, stabilizer, antioxidant, emulsifier and flavoring.


Potassium citrate It is white crystal or powder, odorless, tasting salty. It's slightly deliquescent, easily soluble in water or glycerine, almost insoluble in ethanol. Relative density is 1.98. It will melt and decompose when heated to 230 .

In food processing industry, potassium citrate is used as buffer, chelate agent, stabilizer, antioxidant, emulsifier and flavoring. It can be used in dairy product,jelly, jam, meat and tinned pastry. It also can be used as emulsifier in cheese and refreshing in oranges and etc. In pharmaceutical, it is used for hypokalimia, potassium depletion and alkalization of urine.

Item Standard Testing results
Color White or colorless Pass test
Form Crystalline particle or powder Pass test
Potassium citrate(Dry base meter) 99.0%-100.5% 99.50%
Transmittance ≥95.0% 95.60%
Loss on drying 3.0%-6.0% Pass test
Alkalinity Pass test Pass test
Sulfate ≤0.015% 0.01%
Oxalate ≤0.03% 0.02%
Cloride ≤0.005% 0.00%
Easy carbonization ≤1.0% 0.86%
Lead(As pb) ≤2.0% 1.88%
Arsenic(As As) ≤1.0mg/kg 0.56mg/kg
Water insoluble Pass test Pass test
Ferric salt ≤5.0% 4.55%
Calcium salt ≤0.02%

Functions and Applications

In the food industry, it is used as a buffer, chelating agent, stabilizer, antioxidant, emulsifier, flavoring agent, etc. It can be used for milk and dairy products, jelly, jam, meat, canned hydrogel snacks, emulsification of cheese, preservation of citrus, etc. It can be used for hypokalemia and potassium deficiency and alkalization of urine in the pharmaceutical industry. It can also be made into high-efficiency compound fertilizer, and can also be used in papermaking, gold plating and other industries.

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