Kieselguhr Reag. Ph. Eur., GR for analysis, purified and calcined , pH 10 (100 g/l, H₂O, 20 °C), Supelco®
Supplier: Merck
Certificates
About this item
CAS Number:68855-54-9
:7631-86-9
Formula:O₂Si
MDL Number:MFCD00132803
:60.08 g/mol
Melting Pt:>450 °C
Density:2.36 g/cm³ (20 °C)
:M-Clarity™ quality level = MQ100
EINECS:272-489-0
:GHS08
Storage Temperature:Ambient
Specification Test Results
- Identity:passes test
- Substances soluble in hydrochloric acid:≤ 1.0 %
- pH-value (10 %; water):44809
- Chloride (Cl):≤ 0.01 %
- Sulphate (SO₄):≤ 0.02 %
- Fe (Iron):≤ 0.05 %
- Heavy metals (as Pb):≤ 0.01 %
- Loss on ignition (980 °C):≤ 0.2 %
- Particle size (< 0.1 mm):about 98
- Bulk density:about 20