CAS No.: | 7722-88-5 |
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Formula: | Na4o7p2 |
EINECS: | 231-767-1 |
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Testing Item | Standard | Result |
Sodium pyrophosphate /% | ≥96.5 | 97.2 |
Water insoluble /% | ≤0.2 | 0.02 |
PH ( 1%) | 9.9-10.7 | 10.2 |
Fluoride ( F)/% | ≤0.005 | 0.0009 |
Arsenic (As) /% | ≤0.0003 | 0.0001 |
Heavy Metal(Pb) /% | ≤0.001 | 0.0003 |
Lead | ≤0.0004 | 0.0001 |
Loss on drying/% | ≤5 | 0.2 |
Note: Special requirements of particle size should be negotiated by both suppliers and customers |