shmp Sodium Hexametaphosphate 94%min food grade,China JOLONG price supplier

Sodium Hexametaphosphate Industrial Grade

(1) Total phosphate, as P2O5...................... 68.0% min.
(2) Inactive phosphate, as P2O5................. 7.5% max.
(3) PH of 1% water solution.........................5.8-7.3
(4) Solubility............................................. Qualified
(5) Water insoluble.................................... 0.05% max.
(6) Iron, as Fe........................................... 0.05% max.

Sodium Hexametaphosphate Food Grade  

(1) Total phosphate, as P2O5........................ 68.0% min .
(2) Inactive phosphate, as P2O5..................... 7.5% max.
(3) PH of 1% water solution........................... 5.8-6.5
(4) Solubility.................................................. Qualified
(5) Water insoluble....................................... 0.0 6% max.
(6) Arsenic, as As......................................... 0.0003% max.
(7) Fluoride, as F.......................................... 0.003% max. 
(8) Heavy metal, as Pb.................................. 0.001% max.
(9) Iron, as Fe...............................................0.05% max.