1.P2O5:46%min 2.moisture:5%max 3.free acid:5%max 4.size:1-4mm, 90% 5.Pb:50ppm 1Chemical Name: Trisodium Phosphate,Sodium Phosphate,Tribasic,Trisodium Orthophate 2M. F. :Na3PO43M. W. :163.944Physical properties:Made by high temperature calcination, white powder, its solution is basic liquid.5Quality standard: FCC-IV Name of indexFCC-IVTrisodium Phosphate Na3PO4 (on dried material) ≥% 97.0Water ...