SHMP 1.resonable price and good quality 2. advanced technique 3. ... and medicine industry. 5.Specification: ItemStandardIndustrial GradeFood GradeTotal Phosphate, as P2O5, % min6868Non-active phosphate, as P2O5,% max7.57.5Iron, as Fe, % max0 ... , % max0.001Arsenic, as As, % max0.0003Fluoride, as F, % max0.003 Sodium Hexametaphosphate