Phosphoric Acid food grade 75% & 85%
Product Description
1. Product Name: Phosphoric Acid/H3po4
2. Appearance: Colorless liquid
3. Molecular Formula: H3po4
4. Molecular Weight: 97.99
5. CAS: 7664-38-2
Uses
Removal of Rust:
One of the most common phosphoric acid uses is to remove rust from surfaces of metals. Phosphoric acid can be used as a rust converter with the help of direct application to rusted iron, or steel tools and other rusted surfaces.
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 H 3 PO 4 ) | 85%min | 85%min |
| Phosphorus pentoxide (as P 2 O 5 ) | 61.6%min | 61.6%min |
| Chloride (as Cl) | 0.002%max | /0.001%max |
| Sulphate (as SO 4 ) | 0.005%max | /0.0035%max |
| Heavy metal (as Pb) | 0.001%max | 0.0005%max |
| Colority | 20max | 10max |
| Easily oxidized substances (as H 3 PO 3 ) | / | 0.012% max |
| Arsenic (as As) | 0.005%max | 0.00005%max |
| Iron (as Fe) | 0.002%max | /0.002%max |
| Fluoride (as F) | / | 0.001%max |
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