Kieselguhr USP, NF, pharma grade, purified and calcined
Supplier: PanReac AppliChem
Ratings:
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Total Ratings: 0
Avg. Ratings: 0.0 out of 5
Synonyms:
Siliceous earth
, Diatomite
, Infusorial earth
, Diatomaceous silica
, Celite
, Diatomaceous earth
APPC142475.1211EA
108
GBP
APPC142475.1211
Kieselguhr USP, NF, pharma grade, purified and calcined
Kieselguhr
Siliceous Earth purified and calcined (USP-NF) pure, pharma grade. This product consists mainly of more than 85% of silica. It has been calcined and activated at high temperatures to be chemically inactive .
Formula:
O₂Si MW: 60.08 g/mol Boiling Pt: 2230 °C Melting Pt: 1713 °C Storage Temperature: Ambient |
CAS Number:
91053-39-3 EINECS: 293-303-4 |
Specification Test Results
pH of 10% | 5 - 10 |
Soluble Matter in H₂O | Max. 0.2% |
Soluble Matter in HCl | Max. 2.0% |
Loss on Ignition 980 °C | Max. 2.0% |
Loss on Drying at 105 °C | Max. 0.5% |
Chloride (Cl) | Max. 0.01% |
Non Siliceous Substances | Max. 25% |
Residual Solvents (Ph. Eur./USP) | Passes Test |
Leachable As | Max. 0.001% |
Leachable Pb | Max. 0.001% |
Leachable Fe | Max. 0.04% |
Heavy Metals (as Pb) | Max. 0.005% |
Residual Metals (according to EMEA/CHMP/SWP/4446/2000) | No Metal Catalysts used |
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