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Sodium Hexametaphosphate(SHMP) for water treatment
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Sodium Hexametaphosphate(SHMP) for water treatment

CAS NO.:GB 1624-79
Molecular formula:(NaPO3)6
Molecular weight:611.17
Appearance:White crystals
Odor:odorless
Density:2.484g/cm3
Quantity:

Solubility:solubility in water,insoluble in organic solvents.The aqueous solution is weakly acidic and it hydrolyzes in aqueous solution,particularly under acidic conditions, to sodium trimetaphosphate and sodium orthophosphate.

Property:Highly hygroscopic,it can gradually absorb water and become a sticky substance when exposed in the air.

Uses:

1)  water soften
2)  detergents
3)  deflocculant  
4)  dispersing agent
5)  toothpastes manufacturing
6)  water treatment
7)  ceramic manufacturing
8)  Kaolin and clay processing
9)  food additive(Food grade)
10)  sequestrant    

Executive standard:GB 1624-79

Item Specification
Special Grade First Grade Qualified
Total phosphate(P2O5) %≥ 68.0 67.0 65.0
Inactive phosphate(P2O5) % ≤ 7.5 8.0 10.0
Iron(Fe) % ≤ 0.02 0.10 0.20
PH  5.8-7.3
Water insoluble % ≤ 0.05 0.10 0.15
Solubility Qualified


 

 

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