


Pharmaceuticals, feed additives
- STANDARD : DB35/T 1208-2011
- CAS NO : 112926-00-8 (7631-86-9)
- EINECS No : 231-545-4
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产品参数
Technical parameters of silica for feed additives and medical carriers:
Specification | FENGSIL-260 | FENGSIL-260P | FENGSIL-200 |
Appearance | Micro pearl | Powder | Micro pearl |
Heating loss (105°C)% | ≤ 6.5 | ≤ 6.5 | ≤ 6.5 |
Loss on ignition (1000±25°C)% | ≤ 8.5 | ≤ 8.5 | ≤ 8.5 |
DBP Oil Absorption Value cm3/g |
2.4-3.0 | 2.4-3.0 | 1.8-2.5 |
Silica(dry basis) silica content% |
≥ 96 | ≥ 96 | ≥ 96 |
PH-value(10%aqueous solution) PH-value(10%aqueous solution) |
6.0-7.5 | 6.0-7.5 | 6.0-7.5 |
Heavy metal (Pb) mg / kg of heavy metal |
≤ 30 | ≤ 30 | ≤30 |
As arsenic mg/kg | ≤ 3.0 | ≤ 3.0 | ≤ 3.0 |
Cd cadmium mg / kg | ≤ 0.5 | ≤ 0.5 | ≤ 0.5 |
Pb lead mg/kg | ≤ 5 | ≤ 5 | ≤ 5 |
Na2SO4 sodium sulfate% | ≤ 4.0 | ≤ 4.0 | ≤ 4.0 |
Average grain diameter d50 µm |
150-250 | 80-150 | 180-450 |
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