Application

1.phosphoric acid is used for fertilizers
2.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.
3.In anti-rust treatment by phosphate conversion coating or passivation
4.As an external standard for phosphorus-31 nuclear magnetic resonance.
5.In phosphoric acid fuel cells.
6.In activated carbon production.
7.In compound semiconductor processing, to etch Indium gallium arsenide selectively with
respect to indium phosphide.
8.In microfabrication to etch silicon nitride selectively with respect to silicon dioxide.
9.As a pH adjuster in cosmetics and skin-care products.
10.As a sanitizing agent in the dairy, food, and brewing industries.

Specifications

Properties	Values
Appearance	liquid
Content(as H3PO4), %	≥85
Fluoride,%	≤0.001
Heavy Metal(as Pb), %	≤0.0005
Arsenic,%	≤0.00005
H3PO3,%	≤0.012
Color,(APHA)	≤10 Max