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Sodium tripolyphosphate industrial grade, food grade CAS Number 7758-29-4 Molecular Formula Na5P3O10 Molecular Weight 367.86 Package： Function: preservatives and emulsifier,detergents synthesis Application: food,petroleum, metallurgy, mining, papermaking and water treatment, Tags: New Products Antioxidant Ingredients Dietary supplements。
An important auxiliary agent in synthetic detergent. It is obtained by condensation of different sodium hydrogen phosphate molecular. Most of sodium tripolyphosphate is used in detergents synthesis, a little is used in softening of industrial water, it is not edible. It is also used as food additives.
ITEM
STANDARD
ASSAY (%) (Na5P3O10)
95 MIN
APPEARANCE
WHITE GRANULAR
P2O5 (%)
57.0 MIN
FLUORIDE (PPM)
10MAX
CADMIUM (PPM)
1 MAX
LEAD (PPM)
4 MAX
MERCURY (PPM)
1 MAX
ARSENIC (PPM)
3 MAX
HEAVY MENTAL (AS PB) (PPM)
10 MAX
CHLORIDES (AS CL) (%)
0.025 MAX
SULPHATES (SO42-) (%)
0.4 MAX
SUBSTANCES NOT DISSOLVED IN WATER (%)
0.05 MAX
PH VALUE (%)
9.5 - 10.0
LOSS ON DRYING
0.7% MAX
HEXAHYDRATE
23.5% MAX
WATER-INSOLUBLE SUBSTANCES
0.1% MAX
HIGHER POLYPHOSPHATES
1% MAX
Packing:25kg/barrel
It is used as detergent additives, it can also be used in petroleum, metallurgy, mining, papermaking and water treatment etc..
STPP can be used as food additives, such as: preservatives and emulsifier.
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