CAS No.: | 7758-29-4 |
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Type: | Sodium Tripolyphosphate |
Grade Standard: | Industrial Grade |
CAS No: | 7758-29-4 |
Mf: | Na5p3o10 |
Appearance: | White Powder or White Granular |
Customization: |
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Sodium Tripolyphosphate / STPP |
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Indexes |
Industrial Grade |
Food Grade |
Assay Na 5 P 3 O 10 % ≥ |
94.0 |
94.0 |
P 2 O 5 % ≥ |
57.0 |
57.0 |
Water Insoluble Matter %≤ |
0.15 |
0.05 |
Iron(Fe) %≤ |
0.01 |
0.01 |
PH value (1% water solution) |
9.2-10.0 |
9.5-10.0 |
Heavy Metal (as Pb) %≤ |
-- |
0.001 |
Arsenic (As) %≤ |
-- |
0.0003 |
Fluoride (F) %≤ |
-- |
0.003 |
Particle Size Through 16 mesh sieve %≥ Through 35 mesh sieve %≥ Trough 100 mesh sieve %≥ |
95.0 90.0 40.0 |
95.0 90.0 40.0 |
Whiteness %≥ |
90.0 |
90.0 |
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