Sodium Tripoly Phosphate
|
ITEM
|
SPECIFICATION
|
|
CONTENT
|
90% MIN.
|
|
Appearance
|
White crystal powder
|
|
Odor
|
Odorless
|
|
Melting Point
|
622°C
|
|
Solubility
|
50g/ 100g in water (@ 25° C)
|
|
ITEM
|
SPECIFICATION
|
|
CONTENT
|
94% MIN.
|
|
P2O5 CONTENT
|
57%MIN.
|
|
WHITENESS
|
88%MIN.
|
|
INSOLUBLE MATTER
|
0.1%MAX.
|
|
Fe
|
70PPM MAX.
|
|
SIZE: RESIDUE ON 1.00 TEST SIEVE
|
5.0%MAX.
|
|
LOSS ON IGNITION (500℃)
|
1% MAX.
|
|
PH VALUE (1% SOLUTION)
|
9.2-10.0
|
|
BULK DENSITY (g/cm3)
|
0.65-0.99
|
|
PHASEⅠ
|
10-30%
|
|
ITEM
|
SPECIFICATION
|
|
Content
|
96% min
|
|
Water insoluble matter
|
0.10 max.
|
|
P2O5 Content
|
57.0 min
|
|
Iron
|
0.007max..
|
|
PH value
|
9.2-10.0
|
|
Heavy metal as Pb
|
0.001%max..
|
|
Whiteness
|
90.0 max.
|
Properties: White powder, surface density: 0.35-0.9g/cm3, melting point:622℃, free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent.