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Phosporic Acid
An acid that can be applied directly to rusted iron surfaces to convert the rust into fresh metal surface, it is soluble in water and alcohol.
| Synonym: | Orthophosphoric acid, phosphoric(V) acid
|
| Appearance: | Colourless liquid
|
| Application: | -Used to acidify foods and beverages
-Used as a catalyst in ethanol production
-As a cleaner to remove mineral deposits and hard water stain
-As a pH controller in cosmetics production
-As a chemical oxidizing agent
|
| Physical Properties: | Toxic, irritant
MP 42.35 oC
SG 1.834
|
| Item | Result |
|---|
| H3PO4 (%) | 85
|
| Cl (%) | 0.0005
|
| SO4 (%) | 0.003
|
| As (%) | 0.002
|
| Fe (%) | 0.005
|
| Pb (%) | 0.001
|