Sodium tripolyphosphate is an inorganic compound with formula Na5P3O10. Sodium triphosphate is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric ACID.Sodium tripolyphosphate is produced by heating stoichiometric mixture of disodium phosphate, Na2HPO4, and monosodium phosphate, NaH2PO4, under carefully controlled conditions.
|
ITEM |
INDEX |
|
|
Tech Grade |
Food Grade |
|
|
Na5P3O10 (%): |
94Min |
95Min |
|
P2O5 (%): |
57Max |
57Max |
|
Insolubles in water (%): |
0.15Max |
0.05Max |
|
Fe (%): |
0.007Max |
N |
|
Ph (1% solution): |
9.2-10 |
9.5-10 |
|
Heavy Metal (As Pb) (%): |
N |
0.001Max |
|
Arsenic (As) (%): |
N |
0.0003Max |
|
Fluoride(F) (%): |
N |
0.003Max |
|
Whiteness(%): |
90Min |
90Min |
|
Density (g/cm3) |
0.35-0.9 |
0.35-0.9 |
|
type content (%) |
10-30 |
10-30 |
Used in detergent, synergist for soap; water softener; tanning agent for leather making,auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings,kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.
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