Technical Specifications:
No. standard name industrial grade food grade
1 Main content(as NH4H2PO4)%> 99.0 99.0
2 Phosphorus pent-oxide(as P2O5)%> 61.0 61.0
3 Nitrogen(as N)%> 11.8 11.8
4 PH value 4.4-4.8 4.4-4.8
5 Moisture%< 0.2 0.2
6 Heavy metal(as Pb)%< 0.001
7 Arsenic(As)%< 0.0003
8 Fluoride(as F)%< 0.005
9 Water insoluble %< 0.10 0.10