Pay Attention to The Intake of Beverages Containing Phosphoric Acid

We use Phosphoric acid to treat the by-product of biodiesel. after methanol extraction, using phosphoric acid allows a clean separation of the glycerin and soaps. If done correctly, it can yield 90% pure glycerin. May also be used as a rust remover/inhibitor. Dilute to a 25-50% concentration with water and soak rusted metal parts. Over time, rust will remove and the phosphoric acid reacts with the metal to create a rust inhibiting barrier on the metal. Be sure to use gloves! Great for cleaning residue from metals. In addition, food-grade 85 phosphoric acid is commonly used for pH control and adjustment in a variety of foods and beverages. As with all chemicals destined for consumption, extreme care, and attention needs to be paid to the manufacturing, transportation, and handling of food-grade phosphoric acid. Food grade orthophosphoric acid provides a tangy and sour taste.

Safely remove water hardness, rust, milkstone deposits and other oxide films with the help of this Gallon 85% Food Grade Phosphoric Acid Rust Remover (Clean Etch Metal). It's suitable for use with a variety of industrial, agricultural and food manufacturing equipment. Just dilute to a 25-to-50 percent concentration with water to soak rusted metal parts. The acid cleans debris and reacts with the metal to create a barrier that inhibits rust formation in succeeding uses. This phosphoric acid 85 percent formula can also be used with soak tanks, CIP equipment and spray systems. It is recommended that you wear protective clothing, gloves and eye protection when handling this product. This phosphoric acid rust remover complies with food-grade specifications.

Acidic Properties of Phosphoric Acid

All three hydrogens are acidic, with dissociation constants pKa1 = 2.14, pKa2 = 7.20, and pKa3 = 12.37. It follows that, in water solutions, phosphoric acid is mostly dissociated into some combination of its three anions, except at very low pH.

Safety of Phosphoric Acid for Consuming

Food-grade phosphoric acid (additive E338 is used to acidify foods and beverages such as various colas and jams, providing a tangy or sour taste. Soft drinks containing phosphoric acid, which would include Coca-Cola, are sometimes called phosphate sodas or phosphates. Phosphoric acid in soft drinks has the potential to cause dental erosion. Phosphoric acid also has the potential to contribute to the formation of kidney stones, especially in those who have had kidney stones previously.

A link has been shown between long-term regular cola intake and osteoporosis in later middle age in women (but not men). This was thought to be due to the presence of phosphoric acid, and the risk for women was found to be greater for sugared and caffeinated colas than diet and decaffeinated variants, with a higher intake of cola correlating with lower bone density. At moderate concentrations phosphoric acid solutions are irritating to the skin. Contact with concentrated solutions can cause severe skin burns and permanent eye damage.

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