| ≥1 piece |
Total phosphate, as P2O5%------------------------------------68.0min
Inactive phosphate, as P2O5%---------------------------------7.5max
Iron, as Fe %------------------------------------------------0.05max
Ph value (1% solution) %-------------------------------------5.8-6.5max
Solubility---------------------------------------------------Qualified
Heavy metals, as Pb %---------------------------------------0.001max
Arsenic, as As%----------------------------------------------0.0003max
Fluoride as F%-----------------------------------------------0.003max
Water insoluble %--------------------------------------------0.06max