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Sodium Tripolyphosphate (STPP) Triphosphoric acid
TEST MEANS: GB9983-2004
ITEM | INDEX | ||
Excellent | I Grade | Acceptable | |
Na5P3O10 %≥ | 96 | 90 | 85 |
P2O5 %≥ | 57.0 | 56.5 | 55.0 |
Water insoluble content %≤ | 0.10 | 0.10 | 0.15 |
Fe %≤ | 0.007 | 0.015 | 0.030 |
PH Value | 9.2-10.0 | ||
Whiteness %≥ | 90 | 80 | 70 |
Fineness (1.00mm sieve reside)%≤ | 5.0 | ||
Molecular Formula: Na5P3O10
Molecular Weight: 367.86
Package: 25kg PP Bag.
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