Phosphoric Acid is a colorless, odorless phosphorus-containing inorganic acid. It has a role as a solvent, a human metabolite, an algal metabolite and a fertilizer. It is miscible with water, ethanol and mixture of ether: alcohol (3:1).
|Specific Gravity at 25°C||1.685 g/mL|
|Color||< 10.0 (APHA)|
|Arsenic (As)||< 0.8 (mg/Kg)|
|Fluoride (F)||10.0 (mg/Kg)|
|Iron (Fe)||20 (mg/Kg)|
|Heavy Metal (as Pub)||< 10(mg/Kg)|
|Lead (Pub)||< 0.4 (mg/Kg)|
|Cadmium (Cd)||0.0 (mg/Kg)|
|Nickel (Ni)||< 0.2 (mg/Kg)|
|Chromium (Cr)||< 0.6 (mg/Kg)|
|Mercury (Hg)||< 0.05 (mg/Kg)|
|Copper (Cu)||< 0.1 (mg/Kg)|
|Phosphorus (P)||26.9 %|
|Sulphates ( SO4)||383 (mg/Kg)|
|Chloride (Cal)||< 20.0 (mg/Kg)|
|Volatile acids (as Acetic acid)||< 10 (mg/Kg)|
|Nitrates||< 5 (mg/Kg)|
|Visual Appearance||Clear, colorless liquid without visible particles.|
· Food-grade phosphoric acid is used to acidify foods and beverages such as jams, providing a tangy or sour taste.
· Soft drinks containing phosphoric acid, which would include Coca-Cola, are sometimes called phosphate sodas or phosphates.