Characteristics | Unit | Specifications (Limit) |
H3PO4 concentration | % | 85.0 min.(w/w) |
Iron as Fe | ppm | 8 to 10 max. |
SO4 | ppm | 150 to 300 |
Chloride as Cl | ppm | 15 max |
Flouride as F | ppm | 100 max |
Ca + Mg | ppm | 50 max |
Heavy Metals as Pb | ppm | less than 10 |