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Sodium Tripolyphosphate STPP cas 7758-29-4 |
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Sodium Tripolyphosphate stpp |
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7758-29-4 |
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food grade food additives tech grade |
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Sodium Tripolyphosphate STPP cas 7758-29-4 food grade tech grade STANDARD GB1034-91 VALIDITY Two Years ITEMS SPECIFICATION RESULTS Assay Na5P3O10 % 94.0 Min. 95.56 P2 O 5 % 56.5 Min. 57.08 Water Insoluble Matter % 0.05 Max. 0.03 Iron(Fe) % 100ppm Max. 17ppm PH value (1% water solution) 9.5-10.0 9.72 Heavy Metal (as Pb) % 10ppm Max. 2ppm Arsenic (As) % 3ppm Max. 2ppm Fluoride (F) % 30ppm Max. 9ppm Whiteness % 90 Min. 91.12 density 0.65 to 0.9 0.81 |
Industrial field |
pharmaceutical |
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