China Hot Sales! Colloidal Silicon Dioxide Powder with Good Price CAS No. 7631-86-9 Qx1, Find details about China Colloidal Silicon Dioxide, 7631-86-9 from Hot Sales! Colloidal Silicon Dioxide Powder with Good Price CAS No. 7631-86-9 Qx1
Item | USP | BP/EP | CP |
Identification | Conforms | ||
pH | 3.5-5.5 | 3.5-5.5 | 3.5-5.5 |
Chlorides | -- | ≤250ppm | ≤0.011% |
Loss on drying (%) | ≤2.5 | -- | ≤2.5 |
Assay(%) | 99.0-100.5 | 99.0-100.5 | 99.0-100.5 |
Loss on lgnition(%) | ≤2.0 | ≤5.0 | ≤2.0 |