| ≥1 piece |
| Packaging Details: | 25kg kraft paper bag/50 lb kraft paper bag/1000kg bag |
|---|---|
| Delivery Detail: | prompt |
Sodium Tripolyphosphate
purity 95%min
Appearance white powder or grains
packing 25kg/bag
Sodium Tripolyphosphate
Sodium tripolyphosphate (STP, sometimes STPP or sodium triphosphate or TPP) is an inorganic compound with formula Na5P3O10. Sodium triphosphate is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of tri Phosphoric Acid .Sodium tripolyphosphate is produced by heating a stoichiometric mixture of Disodium Phosphate , Na2HPO4, and MONOSODIUM PHOSPHATE , NaH2PO4, under carefully controlled conditions.
| ITEMS | 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 |
Service we provide:
1. before shipment, free sample for test
2. Packing as your request, with photo before shipment
3. Cargoes photo before and after loading into container
4. Fast shipment by reputed shipping line
5. Best service after shipment with emails
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