Research Article
Electrodialysis of Phosphates in Industrial-Grade Phosphoric Acid
Table 3
Average composition of two industrial phosphoric acid samples.
| |||||||||||||||||||||||||||||||||||||||||||||
The phosphoric acid concentration is typically expressed in terms of the P2O5 concentration. The conversion formula is as follows: [H3PO4] = [P2O5] × 196/142. Thus, 54% P2O5 concentration corresponds to an acid concentration of 74.5%. |