Phosphoric acid

Phosphoric acid

What is phosphoric acid?

Phosphoric acid (also known as orthophosphoric acid or phosphoric(V) acid) is a mineral (inorganic) acid having the chemical formula H3PO4. Orthophosphoric acid molecules can combine with themselves to form a variety of compounds which are also referred to as phosphoric acids, but in a more general way. Orthophosphoric acid refers to phosphoric acid, which is the IUPAC name for this compound

Uses

  • Food industries
  • Fertilizers
Sr. No. Index Tech. Grade Food Grade
1 Appearance Colorless, transparent syrupy liquid or in very light color
2 Colour ≤ 30 20
3 Assay (asH3 PO4)% ≥ 85.0 85.0
4 Chloride(asCl-) % ≤ 0.0005 0.0005
5 Sulphats(as SO4 2- )% ≤ 0.003 0.005
6 Iron (Fe)% ≤ 0.002
7 Arsenic (As)% ≤ 0.005 0.00005
8 Heavy metals(as Pb)% ≤ 0.001 0.001
9 Oxidable matter (as H3 PO4 )% ≤ 0.012
10 Fluoride (as F)% ≤ 0.001