详情
Product Description
Appearance: Colorless liquid
Molecular Formula: H3PO4
Molecular Weight: *7.*9
Melting Point: *1º C
Boiling Point: **8º C
Density: 1.**5
Use in Processed Food:
Phosphoric acid is used as an additive to acidify foods and
beverages like various colas. This use has managed to stir up a
controversy regarding the health effects that this may have on the
human body. It provides a tangy or a sour taste and being a mass
produced chemical, it is available in large quantities easily.
Medical Uses:
One of the most important phosphoric acid uses is in medicine and
dentistry. Phosphoric acid is used as an ingredient in
over-the-counter anti-nausea medications which also happen to
contain high levels of sugar, that is, glucose and fructose.
Other Phosphoric Acid Uses:
Phosphoric acid is used as the electrolyte in phosphoric acid fuel
cells. Phosphoric acid is also used as a cleaner by construction
trades so as to remove mineral deposits, cementinous smears and
hard water stains. Hot phosphoric acid is used in micro-fabrication
to etch silicon nitride.
Index Name Specification
Technical Grade Food Grade
Appearance Transparent colorless sticky fluid
Content ( as H3PO4) *5%min *5%min
Phosphorus pentoxide (as P2O5) *1.6%min *1.6%min
Chloride (as Cl) 0.***5%max /
Sulphate (as SO4) 0.**5%max /
Heavy metal (as Pb) 0.**1%max 0.***5%max
Colority *0max *0max
Easily oxidized substances (as H3PO3) / 0.**2% max
Arsenic (as As) 0.**5%max 0.****5%max
Iron (as Fe) 0.**2%max /
Fluoride (as F) / 0.**1%max
