Buy Phosphorous acid is in Colorless, transparent and syrupy liquid or rhombic crystalline; Phosphorus acid is odorless and tastes very sour; its melting point is 42.35℃ and when heated to 300℃ phosphorous acid will become meta Phosphoric Acid; its relative density is 1.834 g/cm3; phosphoric acid is easily soluble in water and resolves in ethanol; Phosphate acid may irritate human skin to cause phlogosis and destroy the issue of human body; phosphorus acid shows corrosiveness being heated in ceramic vessels; phosphate acid has got hydroscopicity.
Phosphoric Acid Uses :
Technical grade Phosphoric Acid may be used to produce a variety of Phosphates, electrolyte treatment liquids or chemical treatment liquids, refractory mortar with phosphoric acid and inorganic coherent. Phosphoric acid is also used as a catalyst, drying agent and cleaner. In the coating industry, phosphoric acid is used as a rust-proof coating for metals; As an acidity regulator and nutrition agent for yeast food grade, phosphoric acid may be applied to flavors, canned food and light drinks as well as used in wine breweries as a nutrient source for yeast to prevent the reproduction of useless bacteria.
Specifications | Phosphoric Acid Industrial Grade | Phosphoric Acid Food Grade |
Appearance | Colourless, transparent syrupy liquid or in a very light colour | |
Colour | ≤ 30 | ≤ 20 |
Assay (as H3PO4 ) | ≥ 85.0% | ≥ 85.0% |
Chloride(as Cl- ) | ≤ 0.0005% | ≤ 0.0005% |
Sulphates(asSO42- ) | ≤ 0.005% | ≤ 0.003% |
Iron (Fe) | ≤ 0.002% | ≤ 0.001% |
Arsenic (As) | ≤ 0.005% | ≤ 0.0001% |
Heavy metals, such as Pb | ≤ 0.001% | ≤ 0.001% |
Oxidable matter (asH3PO4) | ≤ 0.012% | no |
Fluoride, as F | ≤ 0.001% | no |