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sodium tripoly phosphate (STPP)
Product Detailed
Related Categories:Food Additives
MOLECULAR FORMULA Na5P3O10
molecular weight 367.86
standard no QB1034-91
Item | SPECIFICATION |
STPPNa5P3O10content,% ≥ | 95.0 |
phosphatebase on P2O5,% ≥ | 57.0 |
fluoridebase on Fcontent,% ≤ | 0.003 |
arsenicAscontent,% ≤ | 0.0003 |
Heavy metalbase on Pbcontent,% ≤ | 0.001 |
chloridebase on Clcontent,% ≤ | 0.025 |
Sulphate (base on SO4) content,% ≤ | 0.4 |
Insoluble substance in water,% ≤ | 0.05 |
PH value(1% liquor) | 9.5-10.0 |
whiteness,% ≥ | 85.0 |
standard number:QB1034-91
sodium tripoly phosphate (STPP)
