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Sodium trimetaphosphate trimetaphosphate trisodium CAS:7785-84-4
Title: Sodium trimetaphosphate
Synonyms: STMP
CAS #: 7785-84-4, EC #: 232-088-3
Grade: Food grade, Technical grade
Item | Technical grade | Food grade |
---|---|---|
Appearance | White powder or granule | White powder or granule |
Phosphates (P2O5) % | ≥68 | ≥68 |
Whiteness | ≥90 | ≥90 |
Iron (Fe) % | ≤0.01 | / |
Arsenic (As) % | ≤0.001 | ≤0.0003 |
Lead (Pb) % | / | ≤0.0002 |
Heavy metal (as Pb) % | ≤0.002 | / |
Fluoride (F) % | / | ≤0.001 |
Chloride (Cl) % | ≤0.1 | / |
pH (1% sol.) | 9.2~10.5 | 9.2~10.5 |
Water insoluble % | ≤0.1 | ≤0.05 |
Loss on ignition % | ≤1.0 | ≤2.0 |
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