Co-Authored By:
Hereof, how corrosive is phosphoric acid?
The 85% solution is a syrupy liquid, but still pourable.Although phosphoric acid does not meet the strict definitionof a strong acid, the 85% solution can still severelyirritate the skin and damage the eyes.
Regarding this, how do you handle phosphoric acid?
When handing phosphoric acid, use a certified vaporrespirator.
Phosphoric Acid Safety, Handling & First Aid
- Inhalation—Seek fresh air and immediate medicalattention.
- Eye Contact—Remove contact lenses if present.
- Skin Contact—Wash skin with soap and water.
- Ingestion—Do NOT induce vomiting.
In a wet process facility (see figure 1), phosphoricacid is produced by reacting sulfuric acid(H2SO4) with naturally occurring phosphate rock. The reaction alsoforms calcium sulfate (CaSO4), commonly referred to as gypsum. Theinsoluble gypsum is separated from the reaction solution byfiltration.