Sodium tripolyphosphate

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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