Sodium Hexametaphosphate(SHMP)
Name : Sodium Hexametaphosphate
Chemical formula : (NaPO3)6
Molecular weight: 611.82
Properties:White powder; Density 2.484(20℃); soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; It may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical.
Uses:Used in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy and construction materials etc. as water softener, flotation selecting agent, disperser and high temperature adhesive; In food industry it used as an additive, nourishing agent, quality improver, pH regulator, metal ions chelating agent, adhesive and leavening agent etc.
Packing and storage:In 25 Kg,50 Kg,1000 Kg net bag, store at a cool, dry and well ventilated place
Standard executed: HG/2519-1993(technical grade)
GB1890-2005(food grade)
Guaranteed Technical Specifications :
|
Item
|
Unit
|
Industrial Grade
|
Food Grade
|
|
Appearance
|
---
|
white powder or white fine powder or white granular or colorless piece
|
white powder or white fine powder or white granular or colorless piece
|
|
Total phosphates (as P2O5 )
|
%
|
≥68
|
≥ 68
|
|
Inactive Phosphates
(as P2O5 )
|
%
|
≤ 7.5
|
≤7.5
|
|
Iron (Fe)
|
%
|
≤0.05
|
≤ 0.05
|
|
PH Value
|
---
|
5.8-7.3
|
5.8-6.5
|
|
Solubility
|
---
|
Test Passed
|
Test Passed
|
|
Heavy Metals (as Pb)
|
%
|
---
|
≤0.001
|
|
Arsenic (As)
|
%
|
---
|
≤0.0003
|
|
Fluoride (as F)
|
%
|
---
|
≤0.003
|
|
Water Insoluble matter
|
%
|
≤ 0.05
|
≤0.05
|
|
Polymerization
|
---
|
9-21
|
9-21
|
|
