Sodium Hexametaphosphate,China price supplier

Re: Sodium Hexametaphosphate tech grade
Appearance: White power
Specification:
Total phosphate as P2O5: 68% min
Inactive phosphate as P2O5 : 7.5% max
Iron: 0.05% max
PH value(1% solution) : 5.8-7.3
Water insoluble: 0.05% max
Re: Sodium Hexametaphosphate food grade
Appearance: White powder
Specification:
Total phosphate as P2O5: 68% min
Inactive phosphate as P2O5 : 7.5% max
Iron: 0.05% max
PH value(1% solution) : 5.8-6.5
Water insoluble: 0.06% max
Heavy metals as Pb: 0.001% max
As: 0.0003% max
F: 0.003% max