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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 |
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