METHOD OF CONTROL AND CALIBRATION Fineness Measurement
USAGE
Alumina powder B can be used in the calibration of permeability fineness measuring equipment according to the requirements of standard NF EN 196-6.
For the calibration of Blaine’s device, follow the requirements of standard NF EN 196-6, particularly for any temperature corrections.
GENERAL CHARACTERISTICS OF ALUMINA B
Powders prepared and distributed under the aegis of the Reference Materials Department of the National Bureau of Metrology, and supervised by the Competent Commission of the AFNOR
| DELIVERY | Fineness (permeability) |
|---|---|
| Glass Bottle 50g | 10300 cm²/g |
IMPORTANT RECOMMANDATIONS
Before using the powder, it is always necessary to pour into a 150 cm³ bottle and shake to re-homogenize it. After use, the powder must never be re-used.
CHEMICAL COMPOSITION
Composition alumina. Major impurities: Na2O + Fe2O3 + Si O2 + CaO (moins de 0,3 %). Method of preparation: electro-melted product obtained by crushing. Specific volume mass in g/cm³:
- Specific volume mass in g/cm³ : 3.95
- By gas pycnometer : 3.84
Additional information
| Type | Reference Material |
|---|---|
| Type of Control | Blaine |
| Type of Material | Alumina |
| Detail of Material | Alumina |
| Fineness for Blaine Control | 10300 cm²/g |
| Conditionnement | Glass Bottle 50g |
