Sodium hexametaphosphate

Sodium hexametaphosphate
Sodium Hexametaphosphate(Sodium Polyphosphates, Glassy;
Sodium Tetrapolyphosphate; Graham’s Salt)
Properties: White powder, relative density is 2.484 (20),
easily soluble in water, but not in organic solution,
absorbent to dampness, and turn sticky when absorbed
dampness in air. It is possible to form solvent compound
with metallic ions such as Ca, Ba, Mg, Cu and Fe; It is a
fine agent for water treatment.
No.	Specifications	Industrial Grade	Food Grade
1	Total phosphate, as P2O5%≥	68.0	68.0
2	Inactive phosphate, as P2O5%≤	7.5	7.5
3	Iron, as Fe %≤	0.05	0.05
4	Ph value (1% solution) %≤	5.8-7.3	5.8-6.5
5	Solubility	Qualified	Qualified
6	Heavy metals, as Pb  %≤	 	0.001
7	Arsenic, as As%≤	 	0.0003
8	Fluoride as F%≤	 	0.003
9	Water insoluble %≤	0.05	0.06

1. Well and High Quality Control

Food Additives, SHMP