Daily Uses:
- Used as a heavy-duty degreaser for floors and walls.
- Added to processed cheeses to enhance texture.
- Found in paint strippers and metal cleaners.
Application Fields:
- Household cleaners, food processing, metal pretreatment, textile industry.
Synthesis Method:
- Complete neutralization: React phosphoric acid (H₃PO₄) with excess sodium hydroxide (NaOH).
- Chemical equation: \(H_3PO_4 + 3NaOH \rightarrow Na_3PO_4 + 3H_2O\)