Potassium phosphate is used as a medicine, food additive and fertilizer. As a medicine, potassium phosphate provides phosphates in a form usable by the human body. It is produced when phosphoric acid reacts with potassium carbonate.Continue Reading
When combined with urea and ammonium phosphate and used as a fertilizer, potassium phosphate works by lowering the pH of the soil, which then loses less ammonia. Potassium phosphate fertilizer is used in hydroponic gardens and greenhouses. It also has fungicidal properties; it inhibits unwanted fungal growth.
When used medically to treat a phosphate deficiency, potassium phosphate is administered intravenously. Because potassium phosphate can disrupt the body's calcium levels, patients must have their calcium and phosphorous levels measured before and during administration. The primary side-effect of potassium phosphate, aside from the preventable calcium imbalance, is a burning sensation at the injection site.
As a food additive, all forms of potassium phosphate are categorized under the additive number E340. Potassium phosphate is used as a stabilizer, as a desiccant and to increase antioxidant activity. Food-grade phosphate is vegan, kosher and halal, and it does not carry any warnings or side effects for consumers who do not suffer from calcium deficiency. People with calcium deficiencies should avoid potassium phosphate.Learn more about Chemistry
The Food and Drug Administration has not determined a health risk from potassium benzoate within food and beverages as of 2014; however, the U.S. Environmental Protection Agency has established regulatory limits for potassium benzoate presence, according to the American Beverage Association. Potassium benzoate is a preservative.Full Answer >
Saltpeter, or potassium nitrate, is used as a food preservative and additive. It is also used for fertilizer and is a large component of gunpowder. It is also used as an oxidizing agent for rockets and fireworks.Full Answer >
Potassium oxalate is used in bleaching agents, as a reducing agent in photography and for rust removal. It is also used in the pharmaceutical industry to purify substances.Full Answer >
Potassium cyanide is most often found in pellets or capsules used for gold and silver ore extraction, fumigation and electroplating in industrial settings. For example, companies processing ore may dissolve potassium cyanide tablets in liquid to create a diluted solution that helps separate the precious metal from other components of the ore. Potassium cyanide is a highly toxic and fast-acting substance, and it also functions effectively as an insecticide.Full Answer >