HAINAN HUARONG CHEMICAL CO., LTD

STPP: SODIUM TRIPOLYPHOSPHATE

CAS NO.:7758-29-4

Food grade

Specification:
Item STANDARD RESULTS
Assay : 95.0% min : 97.3%
P2O5 : 57.0% : 57.7%
Whiteness: 85% min : 93%
PH : 9.5-10.0 : 9.80
Water insoluble: 0.05% max : 0.01%
F : 10 ppm max : １ppm
Heavy metals : 10 ppm max : less than 10 ppm
Pb : 2 ppm max : 0.21 ppm
Cd : 1 ppm max : less than 1 ppm
Hg : 1 ppm max : less than 1 ppm
Arsenic : 2 ppm max : 0.34 ppm
Density : 0.7-0.8g/ml : 0.73g/ml
Cl : 0.025% max : 0.008%
SO4 : 0.4% max : 0.12%

Technical grade
Specification:
Item STANDARD RESULTS
Assay : 94.0% min : 95.0%
P2O5 : 57.0% min : 57.0%
Water insoluble substances : 0.10% max : 0.032%
PH : 9.2-10.0 : 9.8
Iron (as Fe) : 100 ppm max : 87 ppm
whiteness : 90% min : 90%
Bulk density : 0.72-0.85 g/ml : 0.78g/ml
Phase I : 20-40% : 22%

Packing: 25kg/bag.
Loading: 22mt without pallets.